VW Code 12931
12931 Description And Summary : |
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This something to do with the intake camshaft timing 'a' rocker arm actuator system, performance or stuck off run rough, or might suddenly stall at any given speed exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent and 'b' rocker arm actuator control, circuit high is the final reason of the code. |
12931 Possible Causes:
12931 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 12931 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, 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