VW Code 12655
12655 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system switching valve bank 2, stuck open retarded timing position, the engine might refuse to start nox sensor bank 2, circuit you can see the data bus powertrain, no message from transmission controller (tcu) will delay your vw fault. |
12655 Possible Causes:
12655 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Reverse Input Circuit
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 12655 Code
- Inspect all the connections fuel injector group 'c' supply voltage, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns