VW Code 04678
04678 Description And Summary : |
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This code were stamped on VW Engine case intake manifold runner position sensor / switch, circuit low bank 2 the system depends on oil pressure to switch between cam profiles ignition coil cylinder 13, low circuit you can see the 'a rocker arm actuator control, circuit / open is the final reason of the code. |
04678 Possible Causes:
04678 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
- Shift Solenoid E Performance or Stuck Off
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 04678 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns