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.
Affected components
- Throttle position sensor g
Common causes
- High likelihood: Sensor failed
- Medium likelihood: Harness fault
Possible symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.