Code
P1194
DAEWOO
P — Powertrain
ETS LIMPHOME TPS2 POS. MAL.
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Repair manuals
Manual library for DAEWOO
75
Browse 75 DAEWOO manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
DAEWOO
-
DAEWOO: 2001
-
Leganza
-
DAEWOO: 2000
-
Leganza
-
DAEWOO: 1999
-
Lanos
- S, 2D Hatchback, Automatic
- S, 2D Hatchback, Standard
- S, 4D Sedan, Automatic
- S, 4D Sedan, Standard
- SE, 2D Hatchback, Automatic
- SE, 2D Hatchback, Standard
- SE, 4D Sedan, Automatic
- SE, 4D Sedan, Standard
- SX, 2D Hatchback, Automatic
- SX, 2D Hatchback, Standard
- SX, 4D Sedan, Automatic
- SX, 4D Sedan, Standard
-
Leganza
-
Nubira
- CDX, 4D Hatchback, Automatic
- CDX, 4D Hatchback, Standard
- CDX, 4D Sedan, Automatic
- CDX, 4D Sedan, Standard
- CDX, 4D Wagon, Automatic
- CDX, 4D Wagon, Standard
- SX, 4D Hatchback, Automatic
- SX, 4D Hatchback, Standard
- SX, 4D Sedan, Automatic
- SX, 4D Sedan, Standard
- SX, 4D Wagon, Automatic
- SX, 4D Wagon, Standard
-
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Code
P1194
DODGE
P — Powertrain
Incorrect Or Irrational Performance Has Been Detected For The PWM
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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Code
P1194
FORD
P — Powertrain
ECU A/D Converter
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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Code
P1194
JAGUAR
P — Powertrain
O2 Sensor Heater Circuit Resistance Fault
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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Code
P1194
JEEP
P — Powertrain
Incorrect Or Irrational Performance Has Been Detected For The PWM
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
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Code
P1194
LAND ROVER
P — Powertrain
Heater circuit resistance failure of the oxygen sensor heated (sensor of banks 1 and 2)
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Repair manuals
Manual library for LAND ROVER
320
Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
LAND ROVER
-
LAND ROVER: 2022
-
Defender
- 90
- 90
- 90 S
- 90 S
- 90 V8
- 90 V8
- 90 V8 Carpathian Edition
- 90 V8 Carpathian Edition
- 90 X
- 90 X
- 90 X-Dynamic HSE
- 90 X-Dynamic HSE
- 90 X-Dynamic S
- 90 X-Dynamic S
- 90 X-Dynamic SE
- 90 X-Dynamic SE
- 110
- 110
- 110 S
- 110 S
- 110 SE
- 110 SE
- 110 V8
- 110 V8
- 110 V8 Carpathian Edition
- 110 V8 Carpathian Edition
- 110 X
- 110 X
- 110 X-Dynamic SE
- 110 X-Dynamic SE
- 110 XS Edition
- 110 XS Edition
-
Discovery
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Discovery R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Discovery R-Dynamic S
- S
- S
-
Discovery Sport
-
Range Rover
- Autobiography, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover Autobiography
- Autobiography, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover Autobiography
- 2022 Range Rover Base
- 2022 Range Rover Base
- First Edition
- First Edition
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover HSE Westminster
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2022: Range Rover HSE Westminster
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover SE
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover SE
- SE, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover SE
- SE, 4.4L Eng VIN 7 · 4.4L Eng VIN 72022: Range Rover SE
- SV
- SV
- SVAutobiography
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic
- SVAutobiography Dynamic Blk.
- SVAutobiography Dynamic Blk.
-
Range Rover Evoque
-
Range Rover Velar
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar R-Dynamic S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2022: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2022: Range Rover Velar S
-
-
LAND ROVER: 2021
-
Discovery
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Discovery R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Discovery R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Discovery R-Dynamic S
- S
- S
-
Discovery Sport
-
Range Rover
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Autobiography
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Autobiography
- Autobiography Fifty Edition
- Autobiography Fifty Edition
- 2021 Range Rover Base
- 2021 Range Rover Base
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover HSE
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover HSE
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover HSE Westminster
- HSE Westminster, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover HSE Westminster
- HSE Westminster, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover HSE Westminster
- SVAutobiography
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic
- SVAutobiography Dynamic Blk.
- SVAutobiography Dynamic Blk.
-
Range Rover Evoque
-
Range Rover Sport
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography
- Autobiography, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography
- Autobiography, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2021: Range Rover Sport Autobiography Dynamic
- HSE Dynamic
- HSE Dynamic
- HSE Silver Edition, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 2.0L Eng VIN Y · 2.0L Eng VIN Y2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN K · 3.0L Eng VIN K2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Sport HSE Silver Edition
- HSE Silver Edition, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Sport HSE Silver Edition
- HST
- HST
- SE
- SE
- SVR
- SVR
- SVR Carbon Edition
- SVR Carbon Edition
-
Range Rover Velar
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar R-Dynamic S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2021: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar S
- S, 3.0L Eng VIN U · 3.0L Eng VIN U2021: Range Rover Velar S
-
LAND ROVER: 2020
-
Defender
- 90 First Edition
- 90 First Edition
- 110 First Edition
- 110 First Edition
- 110 HSE
- 110 HSE
- 110 S
- 110 S
- 110 SE
- 110 SE
- 110 X
- 110 X
- 110, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Defender 110
- 110, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Defender 110
- 110, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Defender 110
- 110, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Defender 110
-
Discovery
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE
- HSE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE
- HSE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE
- HSE Luxury, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE Luxury
- HSE Luxury, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery HSE Luxury
- HSE Luxury, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE Luxury
- HSE Luxury, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery HSE Luxury
- Landmark
- Landmark
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery SE
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Discovery SE
- SE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery SE
- SE, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Discovery SE
-
Range Rover
- Autobiography
- Autobiography
- Base, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Base
- Base, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Base
- Base, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Base
- Base, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Base
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover HSE
- HSE, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover HSE
- SVAutobiography
- SVAutobiography
- SVAutobiography Dynamic
- SVAutobiography Dynamic
-
Range Rover Evoque
-
Range Rover Sport
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 2.0L Eng VIN Y · 2.0L Eng VIN Y2020: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport Autobiography Dynamic
- Autobiography Dynamic, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport Autobiography Dynamic
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport HSE
- HSE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport HSE
- HSE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport HSE
- HSE, 5.0L Eng VIN E · 5.0L Eng VIN E2020: Range Rover Sport HSE
- HSE Dynamic
- HSE Dynamic
- HSE PHEV
- HSE PHEV
- HST
- HST
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport SE
- SE, 3.0L Eng VIN K · 3.0L Eng VIN K2020: Range Rover Sport SE
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport SE
- SE, 3.0L Eng VIN U · 3.0L Eng VIN U2020: Range Rover Sport SE
- SVR
- SVR
-
Range Rover Velar
- R-Dynamic HSE
- R-Dynamic HSE
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Range Rover Velar R-Dynamic S
- R-Dynamic S, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Range Rover Velar R-Dynamic S
- R-Dynamic S, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Range Rover Velar R-Dynamic S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Range Rover Velar S
- S, 2.0L Eng VIN X · 2.0L Eng VIN X2020: Range Rover Velar S
- S, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Range Rover Velar S
- S, 3.0L Eng VIN V · 3.0L Eng VIN V2020: Range Rover Velar S
- SVAutobiography Dyn.
- SVAutobiography Dyn.
-
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Code
P1194
LINCOLN
P — Powertrain
ECU A/D Converter
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Repair manuals
Manual library for LINCOLN
166
Browse 166 LINCOLN manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
LINCOLN
-
LINCOLN: 2024
-
LINCOLN: 2023
-
LINCOLN: 2022
-
LINCOLN: 2021
-
LINCOLN: 2020
-
Continental
- Base, AWD
- Base, FWD
- Black Label, 2.7L Eng VIN P · 2.7L Eng VIN P2020: Continental Black Label
- Black Label, 3.0L Eng VIN C · 3.0L Eng VIN C2020: Continental Black Label
- Livery, AWD
- Livery, FWD
- Reserve, 2.7L Eng VIN P, AWD
- Reserve, 2.7L Eng VIN P, FWD
- Reserve, 3.0L Eng VIN C · 3.0L Eng VIN C2020: Continental Reserve
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Code
P1194
MAZDA
P — Powertrain
ECM PCM A D Converter
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
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Code
P1194
MERCURY
P — Powertrain
ECU A/D Converter
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Repair manuals
Manual library for MERCURY
296
Browse 296 MERCURY manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.
MERCURY
-
MERCURY: 2011
-
MERCURY: 2010
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Mountaineer
-
MERCURY: 2009
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Mountaineer
-
MERCURY: 2008
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Mountaineer
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MERCURY: 2007
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Montego
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Monterey
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Mountaineer
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Montego
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Monterey
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MERCURY: 2005
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Grand Marquis
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Montego
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Monterey
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Cougar
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Villager
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-
MERCURY: 2001
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Sable
- GS, 4D Sedan, 3.0 2, 4F50N
- GS, 4D Sedan, 3.0 2, AX4S
- GS, 4D Sedan, 3.0 S
- GS, 4D Sedan, 3.0 U, 4F50N
- GS, 4D Sedan, 3.0 U, AX4S
- GS, 4D Wagon, 3.0 2, 4F50N
- GS, 4D Wagon, 3.0 2, AX4S
- GS, 4D Wagon, 3.0 U, 4F50N
- GS, 4D Wagon, 3.0 U, AX4S
- LS, 4D Sedan, 3.0 2
- LS, 4D Sedan, 3.0 S
- LS, 4D Sedan, 3.0 U, 4F50N
- LS, 4D Sedan, 3.0 U, AX4S
- LS, 4D Wagon, 3.0 S
- LS, 4D Wagon, 3.0 U, 4F50N
- LS, 4D Wagon, 3.0 U, AX4S
-
Villager
-
MERCURY: 2000
-
Cougar
-
Mountaineer
-
Villager
-
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Code
P1194
Other
P — Powertrain
ECU A/D Converter
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Repair manuals
Brands with available manuals
7,153
The library contains 7,153 repair and diagnostic manuals. Choose a brand to open the full manual tree by year, model and trim.
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Code
P1194
PLYMOUTH
P — Powertrain
Incorrect Or Irrational Performance Has Been Detected For The PWM
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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Code
P1194
PONTIAC
P — Powertrain
Incorrect Or Irrational Performance Has Been Detected For The PWM
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Your experience will help others
+100 karma for a short comment :)
Was this AI description helpful?
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0
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Code
P1194
RAM
P — Powertrain
PWM O2 Heater Relay Performance
AI status
Completed
Completed
100%
Causes
- Faulty TPS2 (secondary throttle position sensor)
- Damaged or corroded wiring / poor connector contact at TPS or throttle body
- Open or short circuit in TPS2 signal or reference circuit
- Contaminated or mechanically sticky throttle plate / throttle body
- Faulty throttle body assembly (integrated sensors)
- Low or unstable battery voltage / poor ground
Symptoms
- Check Engine MIL illuminated
- Reduced engine power or 'limp' mode activated
- Limited throttle response or fixed low RPM limit
- Erratic idle, stalling or hesitation on acceleration
- Stored P1194 and possibly related throttle / TPS codes
What to check
- Read trouble codes and freeze frame data with a capable scan tool
- Confirm battery voltage is within normal range (12.4–14.5 V) during tests
- Visually inspect TPS/throttle body connector and wiring for corrosion, damage, or loose pins
- Monitor live data: TPS1 and TPS2 voltages/percent and compare at closed throttle and WOT
- Perform a wiggle test on wiring while watching live data for intermittent changes
- Check for additional related codes (e.g., throttle actuator or sensor disagreement codes)
Signal parameters
- TPS2 nominal voltage (key ON, engine OFF): approx. 0.5 V at closed throttle to ~4.5 V at WOT (model-dependent)
- TPS1/TPS2 correlation: one sensor typically increases while the other decreases or both follow specific ramp patterns — they must be consistent and within specified tolerance
- Reference voltage to TPS: typically ~5 V regulated by ECU; reference should be stable
- Signal ground continuity: near 0 ohms to chassis ground at harness connector
Diagnostic algorithm
- Retrieve all stored codes and freeze frame data; note any other throttle or sensor codes.
- Verify battery voltage and good grounds. Recharge or support battery if low before testing.
- Visually inspect throttle body connector, pins and wiring for corrosion, bent pins or water ingress. Repair as needed.
- Using a scan tool, observe live TPS1 and TPS2 voltages/percent with key ON engine OFF. With closed throttle, verify voltages at expected idle/closed values; slowly open throttle and watch for smooth, monotonic change in both sensors.
- Compare TPS1 vs TPS2 behavior — they must correlate per manufacturer spec (no sudden jumps or opposite unexpected behavior).
- Perform wiggle test on wiring and connector while watching live data for intermittent faults. Backprobe connector to measure reference voltage, signal, and ground. Repair any open/shorts.
- Inspect and clean throttle body if carbon build-up is present; ensure throttle plate moves freely and returns to closed position smoothly.
- If wiring and connector are good but TPS2 signal is out of specification or intermittent, replace TPS or entire throttle body assembly per service manual.
- After repairs, clear codes and perform throttle relearn/adaptation procedure if required by manufacturer. Test drive and re-scan to confirm the code does not return.
- If fault persists after sensor/throttle body replacement, consider ECM/ETS module diagnosis by a specialist.
Likely causes
- Loose/corroded connector at throttle body or TPS2
- TPS2 internal failure (out of spec voltage or intermittent)
- Wiring chafed/shorted between TPS2 and ECM
- Carbon build-up causing throttle plate to stick and produce inconsistent sensor readings
- Failed throttle body assembly requiring replacement
Fault status
Status
ETS limp-home mode triggered due to TPS2 position malfunction (invalid/inconsistent TPS2 signal).
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Your experience will help others
+100 karma for a short comment :)
Was this AI description helpful?
Your feedback helps improve AI descriptions.
👍 Like
0
👎 Dislike
0
Send to email