VW Code 09401
09401 Description And Summary : |
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This something to do with the intake camshaft timing cylinder 5 injector, data incompatible causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b2 s1, signal shorted to heater circuit and secondary air injection valve 4 (n385), circuit open circuit is the final reason of the code. |
09401 Possible Causes:
09401 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 1 Injector Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 4 Contribution/Balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
What To Check After Fixing 09401 Code
- Inspect all the connections crankshaft position signal output, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns