Throttle/Pedal Position Sensor "C" Range/Performance
The "C" channel of the throttle or pedal sensor produces an electrically valid signal that does not match the other channels or the operating point.
Affected components
- Accelerator pedal sensor
Common causes
- High likelihood: Sensor track C worn
- Medium likelihood: Correlation with tracks A/B lost
- Low likelihood: Sensor element aged beyond calibration window
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
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.