P1235
Fuel Pump Control Out Of Range
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$17–89 (est.)
Symptoms
- Difficulty starting the engine
- Unstable engine idling
- Loss of power during acceleration
- Stalling engine
- Increased fuel consumption
Causes
- Fuel pump malfunction
- Problems with the fuel pump relay
- Open or short circuit in control circuit
- Engine control unit malfunction
- Bad contacts in connectors
How to Fix
- Check the voltage in the fuel pump circuit
- Test the performance of the fuel pump relay
- Inspect the wiring harness for damage
- Check resistance and operation of the fuel pump
- If necessary, replace the fuel pump or relay