P023F
Fuel Pump Secondary Circuit/Open
P023F is an OBD-II diagnostic trouble code meaning: Fuel Pump Secondary Circuit/Open. Common causes: fuel pump fuse blown, broken wire in the pump wiring harness. Estimated repair cost: $6–278.
Symptoms
- The engine does not start or is difficult to start
- Stopping the engine while moving
- Lack of pressure in the fuel system
- Check Engine Light Illuminates
- Dips when pressing the gas pedal
Causes
- Fuel pump fuse blown
- Broken wire in the pump wiring harness
- Failure of the fuel pump relay
- Complete failure of the fuel pump motor
- Broken feedback wire to the ECU
How to Fix
- Check the fuel pump circuit fuse and replace if necessary.
- Check fuel pump relay
- Check the presence of supply voltage at the pump connector
- Measure fuel pressure
- Check the pump wiring harness for a break
- If a pump malfunction is confirmed, replace the fuel pump assembly
Related codes
Error P023F by Vehicle Brand
FAQ
What does the P023F code mean?
P023F is an OBD-II diagnostic trouble code that indicates: Fuel Pump Secondary Circuit/Open
What causes a P023F error code?
The most common causes of P023F include: Fuel pump fuse blown; Broken wire in the pump wiring harness; Failure of the fuel pump relay; Complete failure of the fuel pump motor.
How do I fix a P023F diagnostic trouble code?
To fix P023F: Check the fuel pump circuit fuse and replace if necessary.. Check fuel pump relay. Check the presence of supply voltage at the pump connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P023F?
Do not drive — repair immediately
How much does it cost to fix P023F?
The estimated repair cost for P023F is $6–278. Actual cost depends on your vehicle, location, and labor rates.
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