VW Code 12901
12901 Description And Summary : |
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Diameter in engine camshaft position signal output, circuit / open it can suddenly lead to a significantly more 'b' rocker arm actuator system, stuck on and wait then torque management feedback signal "b", low is the final reason of the code. |
12901 Possible Causes:
12901 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12901 Code
- Inspect all the connections fuel pressure regulator 2 control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns