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FuelSeverity Medium: diagnose soon

P0232Fuel Pump Secondary Circuit High

What it means

The fuel pump supply circuit reads a voltage when the pump should be off, for example a relay stuck closed.

Symptoms

  • Pump runs with the key off or all the time
  • Battery drain

Common causes

  • Fuel pump relay stuck closed
  • Supply wire shorted to battery voltage
  • Pump control module fault

What to check first

  1. Check whether the pump runs with the key off
  2. Swap or test the relay
  3. Check the wiring for shorts to battery voltage
Can I drive with P0232? Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.

Generic OBD-II meaning. Manufacturer-specific meanings and checks can differ; always check the service information for the car.

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P0232: questions and answers

What does P0232 mean?

P0232: Fuel Pump Secondary Circuit High. The fuel pump supply circuit reads a voltage when the pump should be off, for example a relay stuck closed.

What are the symptoms of P0232?

Pump runs with the key off or all the time. Battery drain.

What causes P0232?

Fuel pump relay stuck closed. Supply wire shorted to battery voltage. Pump control module fault.

How do you diagnose P0232?

1. Check whether the pump runs with the key off 2. Swap or test the relay 3. Check the wiring for shorts to battery voltage

Can I drive with P0232?

Usually yes for a short distance, but performance or economy may suffer and the fault can get worse. Diagnose it soon.