Throttle/Pedal Position Sensor B Minimum Stop Performance
The minimum stop calibration of throttle position sensor B does not match the learned reference during ECU self-test. Sensor B is the redundant channel used to cross-check sensor A.
Affected components
- Throttle position sensor
- Throttle body
Common causes
- High likelihood: Carbon deposits affecting throttle motion
- Medium likelihood: Internal sensor B 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.