P1542
Pedal Position Sensor Electrical
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–50 (est.)
Symptoms
- Reduced engine power
- Switching to emergency mode
- Unstable idling
- Problems with cruise control
- Check Engine Light Illuminates
Causes
- Open or short circuit in the sensor circuit
- Poor contact in connectors
- Pedal position sensor malfunction
- Wiring Harness Problems
- Engine control unit malfunction
How to Fix
- Check the integrity of the wiring harness to the sensor
- Clean and check connector contacts
- Check the resistance of the sensor in different pedal positions
- Replace the pedal position sensor if necessary
- Check and replace wiring harness if necessary