Share a caseSign in
FuelSeverity High: diagnose before driving on

P0230Fuel Pump Primary Circuit

What it means

The ECU sees a fault in the circuit that switches the fuel pump (usually the relay coil or the pump control module).

Symptoms

  • No start
  • Stalling while driving
  • Pump not heard when the key is switched on

Common causes

  • Faulty fuel pump relay
  • Open or shorted relay control wire
  • Fuel pump control module fault
  • Inertia (crash) switch tripped

What to check first

  1. Listen for the pump with the key on
  2. Check the relay and its control from the ECU
  3. Check the crash switch and fuses
Can I drive with P0230? Not recommended. P0230 can lead to stalling, limp mode or engine damage; diagnose it before driving further.

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

Cases with P0230 (0)

Share yours

No published cases with this code yet.

Colleagues asking about P0230

Ask for help

Stuck on P0230? Describe what you measured and ask the community.

P0230: questions and answers

What does P0230 mean?

P0230: Fuel Pump Primary Circuit. The ECU sees a fault in the circuit that switches the fuel pump (usually the relay coil or the pump control module).

What are the symptoms of P0230?

No start. Stalling while driving. Pump not heard when the key is switched on.

What causes P0230?

Faulty fuel pump relay. Open or shorted relay control wire. Fuel pump control module fault. Inertia (crash) switch tripped.

How do you diagnose P0230?

1. Listen for the pump with the key on 2. Check the relay and its control from the ECU 3. Check the crash switch and fuses

Can I drive with P0230?

Not recommended. P0230 can lead to stalling, limp mode or engine damage; diagnose it before driving further.