P0232
Fuel Pump Secondary Circuit High
P0232 is an OBD-II diagnostic trouble code meaning: Fuel Pump Secondary Circuit High. Common causes: fuel pump relay stuck in the on position, feedback wire short circuit to power. Estimated repair cost: $11–222.
Symptoms
- The fuel pump does not turn off after stopping the engine
- Battery discharge after parking
- Check Engine Light Illuminates
- Fuel smell (in case of leakage)
- Unstable fuel pressure
Causes
- Fuel pump relay stuck in the on position
- Feedback wire short circuit to power
- ECU malfunction
- Damage to the pump wiring harness
- Faulty fuel pump control module (FPDM)
How to Fix
- Read codes and check the operation of the fuel pump relay
- Replace the fuel pump relay with a known working one.
- Check wiring harness for short circuit to positive
- Check the ECU signal wire to the relay
- Check fuel pump control module (if equipped)
- Repair any damage to the harness or replace the ECU.
Related codes
Error P0232 by Vehicle Brand
FAQ
What does the P0232 code mean?
P0232 is an OBD-II diagnostic trouble code that indicates: Fuel Pump Secondary Circuit High
What causes a P0232 error code?
The most common causes of P0232 include: Fuel pump relay stuck in the on position; Feedback wire short circuit to power; ECU malfunction; Damage to the pump wiring harness.
How do I fix a P0232 diagnostic trouble code?
To fix P0232: Read codes and check the operation of the fuel pump relay. Replace the fuel pump relay with a known working one.. Check wiring harness for short circuit to positive. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0232?
Yes, but get it checked soon
How much does it cost to fix P0232?
The estimated repair cost for P0232 is $11–222. Actual cost depends on your vehicle, location, and labor rates.
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