P0230 Fuel Pump Primary Circuit
What does P0230 mean?
P0230 — Fuel Pump Primary Circuit. This is an OBD-II diagnostic trouble code a scanner retrieves when your vehicle's computer detects fuel pump primary circuit. The level of risk depends on how the vehicle is currently running and how long you've been driving with the light on.
Common causes of P0230
- Blown fuel pump fuse or relay
- Open or shorted pump wiring
- Failed fuel pump
- Faulty fuel pump anti-theft or PWM control
- Bad pump ground
How to fix P0230
- Check the fuel pump fuse, relay, and circuit fuse
- Listen for the pump to prime at key-on
- Measure fuel pressure and pump voltage at the harness
- Verify the pump ground is clean and tight
- Replace the pump, relay, or repair wiring as found