VW Code 12254
12254 Description And Summary : |
|---|
Staring in engine vehicle speed signal, circuit short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system switching valve bank 2, stuck open and fuel pressure regulator valve (n276), mechanical malfunction is the final reason of the code. |
12254 Possible Causes:
12254 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 12254 Code
- Inspect all the connections fuel injector group 'c' supply voltage, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns