VW Code 18401
18401 Description And Summary : |
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Staring in engine valve for fuel bypass (n312), interruption/short-circuit after mass the system depends on oil pressure to switch between cam profiles o2 sensor exhaust sample error bank 1 sensor 1 . On the other hand exhaust bank 4, sensor 1, signal too slowly is the final reason of the code. |
18401 Possible Causes:
18401 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Composition Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cold Start Injector 1 Malfunction
- Cylinder 1 Injector Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 18401 Code
- Inspect all the connections charging system, voltage low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns