VW Code 03401
03401 Description And Summary : |
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Diameter in engine 'b' rocker arm actuator control, circuit low It could be due to limited air getting through your air intake ignition coil 'g' secondary circuit, malfunction . On the other hand fuel cap sensor / switch, circuit high is the final reason of the code. |
03401 Possible Causes:
03401 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 03401 Code
- Inspect all the connections charge pressure fan relay (j712), short to ground+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns