P025D
PPowertrainFuel Pump Module Control Circuit High
What does this code mean?
Severity : MediumP025D indicates a high voltage on the fuel pump module control circuit. The engine control module commands this module, which then adjusts pump speed to match fuel demand. A high signal often points to an open circuit or a short to voltage.
Symptoms
- Check engine light on.
- Hard start or no start.
- Pump running at full speed all the time or not at all.
- Possible stalling or loss of power.
Possible causes
- Faulty fuel pump control module.
- Control wire open or shorted to voltage.
- Corroded connector, often under the body.
- Poor module ground.
- Faulty engine control module, less often.
Diagnosis and repair
- Inspect the pump module connector and wiring.
- Check module power and ground with a multimeter.
- Measure the control signal between the ECM and the module.
- Repair the wiring or replace the pump control module.
- Clear the code and check fuel pressure while driving.
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Code
P025D
Category
Powertrain
Prefix
P
Standard
OBD-II / SAE J2012