VW Code 12931
12931 Description And Summary : |
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This code were stamped on VW Engine case control module 2 for cooling fan, short circuit retarded timing position, the engine might refuse to start coolant fan (v7), open circuit you can see the diesel particulate filter pressure sensor 'a', circuit high will delay your vw fault. |
12931 Possible Causes:
12931 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Cylinder 4 Contribution/Balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12931 Code
- Inspect all the connections idle speed control throttle position, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns