Fuel Rail Pump Control Valve Stuck Closed
Table of contents
P12A4 VOLKSWAGEN Possible Causes
- Faulty Fuel Rail Pump Control Valve
- Fuel Rail Pump Control Valve harness is open or shorted
- Fuel Rail Pump Control Valve circuit poor electrical connection
How do I fix code P12A4 VOLKSWAGEN?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P12A4 VOLKSWAGEN code
The cost of diagnosing the P12A4 VOLKSWAGEN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P12A4 VOLKSWAGEN Description
The Engine Control Module (ECM) monitors the Fuel Rail Pump Control Valve. The ECM sets the OBDII code when the Fuel Rail Pump Control Valve is not to factory specifications.