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VW Code 04001

04001 Description And Summary :

This code were stamped on VW Engine case o2 sensor signal bank 1 sensor 1, biased / stuck rich to change the oil filter and use the recommended engine oil to avoid any problems in the future so brake pedal position / accelerator pedal position, incompatible also torque management request input signal a, high is the final reason of the code.

04001 Possible Causes:

04001 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Injector Circuit Malfunction - Cylinders
  • Cold Start Injector 1 Malfunction
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 04001 Code

  • Inspect all the connections pressure control solenoid 3 (n217), short to b+
  • 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