Toggle Side Panel

Shopping Cart

No products in the basket.

Shopping Cart

No products in the basket.

Close search
Home / DTC / P1683 — Motorised throttle recovery fault

P1683 — Motorised throttle recovery fault

Detailed page for trouble code P1683.

33,570codes
59brands
11,109generic
22,461specific
All codes P-codes (Powertrain) B-codes (Body) C-codes (Chassis) U-codes (Network/User) Tesla Alerts
Reset
Code

P1683

ALFA ROMEO P — Powertrain

Motorised throttle recovery fault

Brand: ALFA ROMEO
Type: P — Powertrain
Views: UK: 6 EN: 18 RU: 10
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

BUICK P — Powertrain

Driver 5 Line 3

Brand: BUICK
Type: P — Powertrain
Views: UK: 21 EN: 43 RU: 23
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

CADILLAC P — Powertrain

Driver 5 Line 3

Brand: CADILLAC
Type: P — Powertrain
Views: UK: 20 EN: 42 RU: 23
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

CHEVROLET P — Powertrain

Driver 5 Line 3

Brand: CHEVROLET
Type: P — Powertrain
Views: UK: 24 EN: 44 RU: 25
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

CHRYSLER P — Powertrain

Speed Control Power Relay Or Speed Control 12 Volt Driver Circuit Open Or Shorted

Brand: CHRYSLER
Type: P — Powertrain
Views: UK: 21 EN: 44 RU: 26
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

DODGE P — Powertrain

Speed Control Power Relay Or Speed Control 12 Volt Driver Circuit Open Or Shorted

Brand: DODGE
Type: P — Powertrain
Views: UK: 22 EN: 47 RU: 25
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

FIAT P — Powertrain

Motorised throttle recovery fault

Brand: FIAT
Type: P — Powertrain
Views: UK: 7 EN: 17 RU: 12
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

GM P — Powertrain

Driver 5 Line 3

Brand: GM
Type: P — Powertrain
Views: UK: 21 EN: 41 RU: 25
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

GMC P — Powertrain

Driver 5 Line 3

Brand: GMC
Type: P — Powertrain
Views: UK: 22 EN: 47 RU: 29
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

HUMMER P — Powertrain

Driver 5 Line 3

Brand: HUMMER
Type: P — Powertrain
Views: UK: 12 EN: 30 RU: 13
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
HTML Workshop Manuals AI manual library for HUMMER Click to show available manuals 8

HUMMER 2010 Hummer H3 Alpha

HTML Manual
Hummer H3 Alpha Years: 2010 Manual in English Sections: 37,470 AI chunks: 37,470
Short description
HUMMER · Hummer H3 Alpha · 2010
Open manual

HUMMER 2010 Hummer H3 Base

HTML Manual
Hummer H3 Base Years: 2010 Manual in English Sections: 37,150 AI chunks: 37,150
Short description
HUMMER · Hummer H3 Base · 2010
Open manual

HUMMER 2010 Hummer H3 Base

HTML Manual
Hummer H3 Base Years: 2010 Manual in English Sections: 37,523 AI chunks: 37,523
Short description
HUMMER · Hummer H3 Base · 2010
Open manual

HUMMER 2010 Hummer H3 L5-3 3.7L

HTML Manual
Hummer H3 L5-3 Years: 2010 Manual in English Sections: 14,383 AI chunks: 14,383
Short description
HUMMER · Hummer H3 L5-3 · 2010 · 3.7L
Open manual

HUMMER 2010 Hummer H3 V8-5 V8-5.3L

HTML Manual
Hummer H3 V8-5 Years: 2010 Manual in English Sections: 14,606 AI chunks: 14,606
Short description
HUMMER · Hummer H3 V8-5 · 2010 · V8-5.3L
Open manual

HUMMER 2010 Hummer H3T Alpha

HTML Manual
Hummer H3T Alpha Years: 2010 Manual in English Sections: 37,368 AI chunks: 37,368
Short description
HUMMER · Hummer H3T Alpha · 2010
Open manual

HUMMER 2010 Hummer H3T Base

HTML Manual
Hummer H3T Base Years: 2010 Manual in English Sections: 37,048 AI chunks: 37,048
Short description
HUMMER · Hummer H3T Base · 2010
Open manual

HUMMER 2010 Hummer H3T Base

HTML Manual
Hummer H3T Base Years: 2010 Manual in English Sections: 37,425 AI chunks: 37,425
Short description
HUMMER · Hummer H3T Base · 2010
Open manual
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

JEEP P — Powertrain

Speed Control Power Relay Or Speed Control 12 Volt Driver Circuit Open Or Shorted

Brand: JEEP
Type: P — Powertrain
Views: UK: 20 EN: 43 RU: 21
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

MAZDA P — Powertrain

Metering Oil Pump Temperature Sensor Circuit

Brand: MAZDA
Type: P — Powertrain
Views: UK: 23 EN: 49 RU: 27
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

MINI P — Powertrain

Electronic throttle control monitor level 2/3 - idle speed 'b' calculation fault

Brand: MINI
Type: P — Powertrain
Views: UK: 4 EN: 12 RU: 7
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

OLDSMOBILE P — Powertrain

Driver 5 Line 3

Brand: OLDSMOBILE
Type: P — Powertrain
Views: UK: 22 EN: 45 RU: 26
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

Other P — Powertrain

Metering Oil Pump Temperature Sensor Circuit Malfunction

Brand: Other
Type: P — Powertrain
Views: UK: 20 EN: 46 RU: 24
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

PLYMOUTH P — Powertrain

Speed Control Power Relay Or Speed Control 12 Volt Driver Circuit Open Or Shorted

Brand: PLYMOUTH
Type: P — Powertrain
Views: UK: 22 EN: 43 RU: 26
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

PONTIAC P — Powertrain

Speed Control Power Relay Or Speed Control 12 Volt Driver Circuit Open Or Shorted

Brand: PONTIAC
Type: P — Powertrain
Views: UK: 19 EN: 42 RU: 22
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

RAM P — Powertrain

Speed control servo power control circuit

Brand: RAM
Type: P — Powertrain
Views: UK: 4 EN: 12 RU: 5
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1683

SATURN P — Powertrain

Driver 5 Line 3

Brand: SATURN
Type: P — Powertrain
Views: UK: 22 EN: 49 RU: 23
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Carbon build-up or mechanical binding in the throttle body preventing free movement
  • Faulty throttle actuator motor or internal throttle body electronics
  • Damaged wiring, poor connector contact or corroded terminals to throttle body
  • Low battery voltage or poor ground affecting actuator operation
  • Faulty accelerator pedal position sensor(s) or signal mismatch
  • ECU or throttle control module software/firmware error or need for adaptation/relearn

Symptoms

  • MIL (Malfunction Indicator Lamp) illuminated
  • Reduced engine power / limp-mode activation
  • Erratic or high/low idle
  • Poor throttle response, hesitation or inability to accelerate normally
  • Possible trouble starting if throttle cannot achieve required position

What to check

  • Read stored/active DTCs and freeze frame data with an appropriate scan tool
  • Check battery voltage and charging system at rest and under cranking (should be >12.0–12.5 V nominal)
  • Visually inspect throttle body connector and wiring for damage, corrosion, or loose pins
  • Inspect throttle body for carbon build-up or mechanical obstruction
  • Compare accelerator pedal sensor signals and throttle position using the scan tool
  • Perform an actuator test (commanded open/close) and observe target vs actual throttle angle

Signal parameters

  • Battery/ignition supply voltage to throttle body (V)
  • Actual throttle angle/position (%) or degrees
  • Target throttle angle/position commanded by ECU
  • Throttle actuator motor current (A) or motor drive feedback if available
  • Accelerator Pedal Position Sensor 1 and 2 voltages/percent
  • CAN/serial communication status between throttle module and ECU (if applicable)

Diagnostic algorithm

  1. Connect a full-function diagnostic scanner. Record the DTC, freeze frame and any related codes.
  2. Verify battery and charging system condition. Recharge or replace a weak battery before further testing.
  3. Visually inspect wiring and connectors at the throttle body and ECU. Repair any damaged wires or poor connections.
  4. With ignition on, monitor pedal position sensors and throttle position (target vs actual) while gently actuating the pedal. Look for inconsistencies or no movement.
  5. Command the throttle actuator using the scan tool (actuator test). Observe actual throttle movement and listen for unusual noises. If it fails to follow commands or binds, remove the throttle body for inspection.
  6. Remove and inspect the throttle body for carbon buildup, sticking plates, or debris. Clean using manufacturer-approved throttle body cleaner if mechanical sticking is present.
  7. After cleaning, repeat actuator/scan tests. If the throttle now moves correctly, perform the recommended throttle adaptation/relearn procedure per manufacturer instructions.
  8. If actuator still fails or current draw is abnormal, replace the throttle body assembly (or throttle module) and repeat adaptation/relearn.
  9. If replacement does not clear the issue, inspect/repair wiring harness power and ground feeds and re-check ECU communication. Consider ECU or throttle control module fault if wiring is confirmed good.
  10. Clear codes and road-test. Verify no recurrence and that adaptation values are within spec.

Likely causes

  • Throttle body is dirty/sticking (carbon deposits) restricting motor recovery
  • Intermittent wiring/connector fault at the throttle body (corrosion, broken wire)
  • Throttle actuator motor failure or internal throttle module electronics fault
  • Low system voltage during recovery (weak battery, bad alternator output, poor ground)
  • Incorrect or out-of-range pedal position sensor input causing control mismatch

Fault status

⚠️ Status
Throttle actuator did not complete the commanded recovery/movement. MIL set. Engine may run in reduced power mode until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

Report

Harassment or bullying behavior
Contains mature or sensitive content
Contains misleading or false information
Contains abusive or derogatory content
Contains spam, fake content or potential malware

Block Member?

Please confirm you want to block this member.

You will no longer be able to:

  • See blocked member's posts
  • Mention this member in posts
  • Invite this member to groups
  • Message this member
  • Add this member as a connection

Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.

Report

You have already reported this .