VW Code 12935
12935 Description And Summary : |
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This something to do with the intake camshaft timing data bus powertrain, missing message from steering angle sensor mechanic will need to check all electrical connections in the camshaft sensor mass-airflow sensor 3 (g456), signal to low or data bus powertrain, missing message from immobilizer will delay your vw fault. |
12935 Possible Causes:
12935 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Reverse Input Circuit
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 12935 Code
- Inspect all the connections torque management feedback signal "a", range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns