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
Related Symptoms
Common Causes
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
OEM Diagnostic Flowchart
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Read live data and freeze frame for P0230 to pinpoint the cause before buying parts.
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Related Resources
Repair guides, symptom pages, and wiring diagrams related to P0230.
OEM Manual Evidence
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A L L Diagnostic Trouble Codes ( DTC ) — 2013 GMC Truck Yukon XL Denali 2WD V8-6.2L Service Manual | Operation CHARM Operation CHARM : Car...
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Related Symptoms
Browse →Exact Vehicle Hubs
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Open the exact vehicle hub for a repair workflow commonly associated with P0230.
Open the exact vehicle hub for a repair workflow commonly associated with P0230.
Open the exact vehicle hub for a repair workflow commonly associated with P0230.
Open the exact vehicle hub for a repair workflow commonly associated with P0230.
Open the exact vehicle hub for wiring diagnosis commonly associated with P0230.
Exact Repair Workflows
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Open the exact repair flow most commonly associated with P0230 on this vehicle.
Open the exact repair flow most commonly associated with P0230 on this vehicle.
Open the exact repair flow most commonly associated with P0230 on this vehicle.
Open the exact repair flow most commonly associated with P0230 on this vehicle.
Open the exact repair flow most commonly associated with P0230 on this vehicle.
Wiring Diagram Paths
Browse →Open the exact fuel pump diagram cluster for a vehicle that commonly triggers P0230.
Open the exact fuel pump diagram cluster for a vehicle that commonly triggers P0230.
Open the exact fuel pump diagram cluster for a vehicle that commonly triggers P0230.
Open the exact fuel pump diagram cluster for a vehicle that commonly triggers P0230.
Open the exact fuel pump diagram cluster for a vehicle that commonly triggers P0230.
Open the exact fuel pump diagram cluster for a vehicle that commonly triggers P0230.
Related Codes
The fuel pump feedback circuit is reading low. The ECM is not seeing proper fuel pump operation.
Fuel pump circuit voltage is higher than expected.
Fuel rail pressure sensor reads too low. Could be a sensor fault or actually low fuel pressure.
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.
Related Repair Guides
If your vehicle has triggered P0230, these DIY repair guides may help: