P0232 OBD II Trouble Code Fuel Pump Secondary (Feedback) Circuit High Voltage
Detailed information on troubleshooting and repairing a P0232 DTC code which has to do with high voltage on the fuel pump secondary circuit. Also includes links to relevant forum topics on the code.
Symptoms of P0232 OBD II Trouble Code
- MIL (malfunction indicator lamp) illumination
- Fuel pump runs with key off
- Small amount of voltage present on FP (fuel pump) voltage supply circuit due to short
Common Causes of P0232 OBD II Trouble Code
- Bad FP relay
- Short to voltage on FP voltage supply circuit or feedback circuit
- Short to ground on PCM
- FP relay control circuit PCM
- FP relay control driver shorted to ground internally