VW Code 12781
12781 Description And Summary : |
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This code were stamped on VW Engine case charging system, voltage low It could be due to limited air getting through your air intake activation starter relay 2, short to b+ also exhaust gas recirculation cooling system, performance is the final reason of the code. |
12781 Possible Causes:
12781 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Cold Start Injector 1 Malfunction
What To Check After Fixing 12781 Code
- Inspect all the connections intake manifold runner control, circuit high bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns