P025A
PPowertrainFuel Pump Module Control Circuit/Open
What does this code mean?
Severity : HighP025A indicates an open or faulty fuel pump module control circuit. The engine control module drives this module to power the low pressure pump in the tank. When it detects an open in the circuit, the pump may not run correctly and fuel supply to the engine becomes unreliable.
Symptoms
- Check engine light on.
- Hard start or no start.
- Stalling while driving.
- Loss of power under acceleration.
Possible causes
- Open wiring between the engine module and the pump module.
- Corroded or unplugged connector.
- Faulty fuel pump control module.
- Faulty fuse or relay.
- Engine control module fault, which is rare.
Diagnosis and repair
- Check fuel pump fuses and relays.
- Inspect pump module and tank connectors.
- Check control circuit continuity with a multimeter.
- Measure low pressure fuel supply.
- Repair the wiring or replace the module, clear the code and road test.
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Code
P025A
Category
Powertrain
Prefix
P
Standard
OBD-II / SAE J2012