Failed fuel pump relay or fuse; Wiring fault in the pump control circuit; Faulty fuel pump control module (on some vehicles); Failed fuel pump.

P0230: Fuel Pump Primary Circuit

Q: What does P0230 mean?

P0230: Fuel Pump Primary Circuit. The engine computer has detected a fault in the fuel pump relay control (primary) circuit.

Q: Is it safe to drive with P0230?

Severity: High. Limit driving and diagnose promptly. Continued driving can cause damage, stalling or limp mode.

P0230 means Fuel Pump Primary Circuit. The engine computer has detected a fault in the fuel pump relay control (primary) circuit.

CodeP0230

SystemFuel system

SeverityHigh

TypeGeneric powertrain

Can I keep driving? Limit driving and diagnose promptly. Continued driving can cause damage, stalling or limp mode.

Common symptoms

Engine cranks but does not start
Stalling while driving
Loss of power

Possible causes

Failed fuel pump relay or fuse
Wiring fault in the pump control circuit
Faulty fuel pump control module (on some vehicles)
Failed fuel pump

How to diagnose P0230

Check the fuel pump fuse and relay.
Listen for the pump priming when the ignition is switched on.
Check voltage and ground at the pump connector.
Check the pump control module if the vehicle has one.

What the code means, digit by digit

PPowertrain0Generic (SAE) code2Sub-system30Specific fault

Generic codes have the same definition on every OBD-II vehicle (petrol cars from model year 1996 in the US, 2001 in the EU; diesels later). Manufacturers can add their own enhanced codes; those are not listed here.

Symptoms linked to P0230

Engine cranks but won't start

Related codes

P0627 Fuel Pump "A" Control Circuit/Open

General guidance only. Fault codes describe what the engine computer saw, not which part failed: confirm with testing before replacing parts, and follow the vehicle's service information.