Throttle/Pedal Position Sensor A Minimum Stop Performance
The minimum stop calibration of throttle position sensor A is outside the expected range during the ECU self-check. The signal at fully closed throttle does not match the stored reference, indicating a mechanical or sensor issue.
Affected components
- Throttle position sensor
- Throttle body
Common causes
- High likelihood: Throttle plate sticking due to carbon
- Medium likelihood: Internal sensor 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
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
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.