OBD-II code · Powertrain (generic, extended)
P212A Throttle Position Sensor/Switch G Circuit
A general electrical fault is reported on throttle position sensor G — open, shorted, or out of plausibility. Sensor G is part of a multi-channel redundancy on dual-throttle systems.
Is it safe to drive with P212A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor failed
- PossibleHarness fault
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
- P2127Throttle/Pedal Position Sensor "E" Circuit Low
- P2128Throttle/Pedal Position Sensor "E" Circuit High
- P2129Throttle/Pedal Position Sensor "D" Circuit Intermittent
- P212BThrottle Position Sensor/Switch G Circuit Range/Performance
- P212CThrottle Position Sensor/Switch G Circuit Low
- P212DThrottle Position Sensor/Switch G Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.