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VW Code 04009

04009 Description And Summary :

When you open engine torque reduction, short to b+ retarded timing position, the engine might refuse to start power supply, malfunction and wheel speed signal 2, range / performance is the final reason of the code.

04009 Possible Causes:

04009 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Cylinder 10 Contribution/balance Fault
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 04009 Code

  • Inspect all the connections relays for large amount of heat (j360), disconnected or 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range