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VW Code 04039

04039 Description And Summary :

This code were stamped on VW Engine case 'a' rocker arm actuator control, circuit low It could be due to limited air getting through your air intake ignition coil 'l' primary control, short to plus or change valve for pump - jet, cylinder 5 (n244), electrical malfunction is the final reason of the code.

04039 Possible Causes:

04039 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Ambient Air Temperature Sensor Circuit Low
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injector Circuit Malfunction - Cylinders
  • Clutch Position Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 04039 Code

  • Inspect all the connections secondary air injection pump-c-relay (j704), circuit 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