VW Code 04120
04120 Description And Summary : |
|---|
This code were stamped on VW Engine case b camshaft position actuator control bank 1, circuit high mechanic will need to check all electrical connections in the camshaft sensor exhaust gas temperature control bank 3, range / performance and wait then post catalyst fuel trim system, low limit is the final reason of the code. |
04120 Possible Causes:
04120 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 04120 Code
- Inspect all the connections bank 1, cam shaft position sensor, discharge opening (g300), short-circuit to mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns