OBD-II code · Powertrain (generic, extended)
P212B Throttle Position Sensor/Switch G Circuit Range/Performance
TPS G reads in range but plausibility check fails — value sticks, lags, or does not match the commanded throttle position.
Is it safe to drive with P212B?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor wiper sticks
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
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 G
Related codes
- P212AThrottle Position Sensor/Switch G Circuit
- P2128Throttle/Pedal Position Sensor "E" Circuit High
- P2129Throttle/Pedal Position Sensor "D" Circuit Intermittent
- P212CThrottle Position Sensor/Switch G Circuit Low
- P212DThrottle Position Sensor/Switch G Circuit High
- P212EThrottle Position Sensor/Switch G Circuit Intermittent
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.