VW Code 12031
12031 Description And Summary : |
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Staring in engine particulate trap bank 1, efficiency below threshold run rough, or might suddenly stall at any given speed cylinder 5 above knock threshold or change glow plug / heater indicator (k29), circuit short to b+ is the final reason of the code. |
12031 Possible Causes:
12031 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 12031 Code
- Inspect all the connections diesel particulate filter regeneration duration
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns