P1236
Fuel Pump Control Out Of Range
Severity
🔴 HighCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)
Symptoms
- Unstable engine operation
- Power Loss
- Difficulty starting the engine
- Stalling engine
- Increased fuel consumption
Causes
- Fuel pump malfunction
- Problems with wiring or connectors
- Fuel pump relay malfunction
- Damage to the fuel pump control module
- Problems with the engine control unit (ECU)
How to Fix
- Check the voltage and resistance of the fuel pump
- Inspect wiring and connectors for damage
- Check the operation of the fuel pump relay
- Test the fuel pump control module
- If necessary, replace faulty components