OBD-II code · Powertrain (generic, extended)
P2139 Throttle/Pedal Position Sensor/Switch D/F Voltage Correlation
Channels D and F of the throttle/pedal position sensor disagree by more than the allowed tolerance.
Is it safe to drive with P2139?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOne potentiometer track worn
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- Parts involved
- Throttle Position Sensor, Accelerator Pedal Position Sensor
Related codes
- P210EThrottle/Pedal Position Sensor/Switch C/F Voltage Correlation
- P212FThrottle/Pedal Position Sensor/Switch F/G Voltage Correlation
- P2140Throttle/Pedal Position Sensor/Switch E/F Voltage Correlation
- P2AD1Throttle/Pedal Position Sensor/Switch C/G Voltage Correlation
- P2AD2Throttle/Pedal Position Sensor/Switch B/G Voltage Correlation
- P2AD3Throttle/Pedal Position Sensor/Switch A/G Voltage Correlation
- P2136Throttle/Pedal Position Sensor A/C Voltage Correlation
- P2137Throttle/Pedal Position Sensor B/C Voltage Correlation
- P2138Throttle/Pedal Position Sensor "D"/"E" Voltage Correlation
- P213AEGR Throttle Control Circuit B/Open
- P213BEGR Throttle Control Circuit B Range/Performance
- P213CEGR Throttle Control Circuit B Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.