P0230
High SeverityFuel Pump Primary Circuit
Fuel System
What Does P0230 Mean?
The fuel pump relay or primary circuit has a fault. The fuel pump may not be getting power.
Common Fix
Replace fuel pump relay or fuse
Estimated Cost (DIY)
$5 - $30
Symptoms
- ⚠️No start or hard start
- ⚠️Engine stalls
- ⚠️Loss of power
- ⚠️No fuel pump hum when turning key
Common Causes
Failed fuel pump relaylikely
Blown fuel pump fuselikely
Bad wiring to fuel pumppossible
Failed fuel pumppossible
How to Diagnose P0230
- 1Check fuel pump fuse
- 2Check fuel pump relay (swap with identical relay)
- 3Listen for fuel pump prime when key turns to ON
- 4Check for power at fuel pump connector
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Frequently Asked Questions
- How do I know if the fuel pump is getting power?
- Turn the key to ON (not start) and listen for a 2-second hum from the rear. No hum means no power to the pump.
- Where is the fuel pump relay?
- Usually in the underhood fuse/relay box. Check the lid diagram for the fuel pump relay location.