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.
Affected components
- Throttle position sensor g
Common causes
- High likelihood: Sensor wiper sticks
- Low likelihood: Sensor element aged beyond calibration window
- Low likelihood: Sensor mounting loose - signal damping
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
Related codes
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.