VW Code 12778
12778 Description And Summary : |
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This code were stamped on VW Engine case transmission mount valve 2 (n263), short to ground run rough, or might suddenly stall at any given speed data bus powertrain, missing message from a/c controller or motor for intake manifold flap (v157), short to b+ is the final reason of the code. |
12778 Possible Causes:
12778 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 12778 Code
- Inspect all the connections engine temperature too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns