Fuel Pump Secondary Circuit/Open

Where it lives

For P023F, the pump sits on the circuit this code reports. The description of P023F reports the pump as open.

Check these first

• An open in the fuel pump secondary circuit wiring
• A blown fuel pump secondary circuit fuse
• A failed or corroded fuel pump relay
• A failed fuel pump module
• Corrosion in the secondary circuit connector

What to do next

1. Check the fuel pump secondary circuit fuse first
2. Inspect the secondary circuit wiring and connector for an open or corrosion
3. Test the fuel pump relay and replace it if it does not switch
4. Measure voltage at the fuel pump module feed
5. Replace the fuel pump module if the feed is present but the pump does not run
6. Clear the code and retest

Look up another code