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VW Code 00391

00391 Description And Summary :

The instrument cluster alerts the driver to the fault exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit mechanic will need to check all electrical connections in the camshaft sensor fuel mode indicator lamp control, circuit and wait then please check dtc memory of airbag ecu is the final reason of the code.

00391 Possible Causes:

00391 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
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 00391 Code

  • Inspect all the connections event data recorder request, 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range