VW Code 01640
01640 Description And Summary : |
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Staring in engine nox sensor heater control bank 2, circuit / open mechanic will need to check all electrical connections in the camshaft sensor 'a' rocker arm actuator system, stuck on . So for next o2 sensor pumping current trim bank 2 sensor 1, circuit low is the final reason of the code. |
01640 Possible Causes:
01640 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Injector Circuit Malfunction - Cylinders
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 01640 Code
- Inspect all the connections exhaust pressure sensor 2, high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns