Engine-Codes - Volkswagen - P12A1 VOLKSWAGEN

P12A1 VOLKSWAGEN - Fuel Rail Pressure Sensor Inappropriately Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?

P12A1 VOLKSWAGEN Possible Causes

  • Faulty Fuel Rail Pressure Sensor
  • Fuel Rail Pressure Sensor harness is open or shorted
  • Fuel Rail Pressure Sensor circuit poor electrical connection

How do I fix code P12A1 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 P12A1 VOLKSWAGEN code

Labor: 1.0

The cost of diagnosing the P12A1 VOLKSWAGEN code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)


The Engine Control Module (ECM) monitors the Fuel Rail Pressure Sensor. The ECM sets the OBDII code when the Fuel Rail Pressure Sensor is not to factory specifications.

P12A1 VOLKSWAGEN More Information

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