Throttle/Pedal Position Sensor "C" Circuit Intermittent
The "C" channel produces an intermittent signal — usually a marginal connector or a worn track inside the pedal sensor.
Affected components
- Accelerator pedal sensor
- Pedal sensor wiring
Common causes
- High likelihood: Connector intermittent
- Medium likelihood: Track C worn at common pedal angle
- Low likelihood: Harness routed against vibrating component
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.