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Home / DTC / P1580 — Throttle Valve Mechanically Stuck

P1580 — Throttle Valve Mechanically Stuck

Detailed page for trouble code P1580.

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Code

P1580

BMW P — Powertrain

Throttle Valve Mechanically Stuck

Brand: BMW
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
Repair manuals

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Code

P1580

BUICK P — Powertrain

Cruise Move Circuit Low Voltage

Brand: BUICK
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
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Code

P1580

CADILLAC P — Powertrain

Cruise Move Circuit Low Voltage

Brand: CADILLAC
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
103

Browse 103 CADILLAC manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

CADILLAC

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Code

P1580

CHEVROLET P — Powertrain

Cruise Move Circuit Low Voltage

Brand: CHEVROLET
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
456

Browse 456 CHEVROLET manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

CHEVROLET

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+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1580

CHRYSLER P — Powertrain

Cruise Move Circuit Low Voltage

Brand: CHRYSLER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1580

FORD P — Powertrain

Electronic Throttle Monitor PCM Override

Brand: FORD
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1580

GM P — Powertrain

Cruise Move Circuit Low Voltage

Brand: GM
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1580

GMC P — Powertrain

Cruise Move Circuit Low Voltage

Brand: GMC
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
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Code

P1580

HUMMER P — Powertrain

Cruise Move Circuit Low Voltage

Brand: HUMMER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
Repair manuals

Manual library for HUMMER

138

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Code

P1580

LAND ROVER P — Powertrain

Replacement of the powertrain control module of the monitor electronic accelerator

Brand: LAND ROVER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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Code

P1580

LINCOLN P — Powertrain

Electronic Throttle Monitor PCM Override

Brand: LINCOLN
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
166

Browse 166 LINCOLN manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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Code

P1580

MERCURY P — Powertrain

Electronic Throttle Monitor PCM Override

Brand: MERCURY
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
296

Browse 296 MERCURY manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

MERCURY

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Code

P1580

MITSUBISHI P — Powertrain

Encryption signal error for LIN

Brand: MITSUBISHI
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

MITSUBISHI

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Code

P1580

OLDSMOBILE P — Powertrain

Cruise Move Circuit Low Voltage

Brand: OLDSMOBILE
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1580

Other P — Powertrain

Electronic Throttle Monitor PCM Override

Brand: Other
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
8,810

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Code

P1580

SATURN P — Powertrain

Cruise Move Circuit Low Voltage

Brand: SATURN
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

P1580

VOLKSWAGEN P — Powertrain

Throttle Actuator Bank 1 Malfunction

Brand: VOLKSWAGEN
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Throttle body plate binding due to carbon or deposits
  • Broken or bent throttle plate shaft or linkage
  • Debris or foreign object physically blocking throttle movement
  • Faulty throttle body actuator (motor/gears)
  • Worn or damaged throttle body bearings
  • Faulty throttle position sensor(s) or accelerator pedal sensors causing incorrect feedback

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine power / limp-home mode
  • Poor or delayed throttle response and hesitation
  • Unstable idle or stalling at low RPM
  • Throttle position shown by scan tool does not follow commanded/target values
  • Multiple throttle-related codes stored or intermittent faults

What to check

  • Obtain full symptom history and freeze frame data with a professional scan tool
  • Read and record all stored and pending DTCs and live data (throttle target vs actual, pedal position)
  • Visually inspect throttle body for carbon/deposits, debris or physical damage
  • Inspect wiring harness and connectors for the throttle body and accelerator pedal sensors for corrosion, bent pins, damage or loose connections
  • With ignition ON (engine off) command throttle open/close using a diagnostic tool and observe movement and listen for abnormal noises
  • Check battery voltage and power supply to throttle actuator during diagnostics

Signal parameters

  • Commanded (target) throttle position (%) vs actual throttle position (%)
  • Throttle position sensor voltage(s) or % from TPS channels (where applicable)
  • Accelerator pedal position sensor voltages and correlation (APPS1/APPS2)
  • Actuator motor supply voltage (battery voltage present at connector with key on)
  • Actuator motor ground continuity and resistance
  • Actuator motor current draw (A) during commanded movement

Diagnostic algorithm

  1. Connect a capable scan tool and record all throttle- and pedal-related DTCs and freeze-frame data
  2. Review live data: compare commanded throttle position to actual position and accelerator pedal input; note discrepancies
  3. Attempt a throttle actuate / perform throttle body self-test from the scan tool and observe movement, sound and actual vs commanded values
  4. If the throttle does not move or binds: remove intake ducting and visually inspect throttle plate bore for carbon, gum, or foreign objects; clean if contamination is present using appropriate throttle-body cleaner and safe procedure
  5. Manually operate the throttle plate (where service manual allows) to check for smooth travel and binding; do not force parts beyond intended movement
  6. Inspect and test wiring and connectors: check for 12V supply and ground continuity to the actuator, test signal wires and check for damaged insulation or corrosion
  7. Measure actuator motor current while commanding movement — unusually high current indicates mechanical binding or internal gear failure
  8. Check accelerator pedal position sensor correlation; replace or repair if inconsistent with pedal input
  9. Perform throttle adaptation/relearn sequence per BMW service procedure after cleaning or replacing components; clear codes and retest road/scan tool data
  10. If mechanical binding persists after cleaning and wiring checks, replace the throttle body assembly (or actuator) and retest
  11. After repair, clear codes, perform adaptation, and verify normal response under a range of operating conditions; recheck for related codes

Likely causes

  • Carbon or dirt buildup on throttle plate preventing full travel
  • Throttle body actuator motor or internal gear failure
  • Mechanical damage to shaft/plate or foreign object lodged in bore
  • Wiring/connector issue causing actuator to lose power or signal
  • Sensor mismatch/correlation fault causing DME to determine valve is stuck

Fault status

⚠️ Status
Throttle valve mechanically stuck: engine control detected the throttle plate is not following commanded position (binding or blocked), so torque/power may be reduced and fault stored.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 3 hours

Similar codes

P2101 P2111 P2138 P0122 P0123 P2119
626

Browse 626 VOLKSWAGEN manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

VOLKSWAGEN

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