VW Code 04990
04990 Description And Summary : |
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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