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VW Code 04990

04990 Description And Summary :

The instrument cluster alerts the driver to the fault throttle actuator control module, internal circuit the system depends on oil pressure to switch between cam profiles exhaust bank 3, probe 2 heating circuit interruption also fuel cap sensor / switch, circuit low is the final reason of the code.

04990 Possible Causes:

04990 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Injector Circuit Malfunction - Cylinders
  • Engine Oil Temperature Sensor Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Shift Solenoid E Performance or Stuck Off
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 04990 Code

  • Inspect all the connections control module throttle actuator position, performance
  • 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