Fuel Pump Control Module A
A general fault is detected on the dedicated fuel pump control module A. Used on PWM-controlled returnless fuel systems to vary pump speed against demand. The module reports an internal performance issue.
Affected components
- Fuel pump control module a
Common causes
- High likelihood: Module internal fault
Possible symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.