VW Code 04999
04999 Description And Summary : |
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Accumulated in electronic control units so vehicle speed sensor 'a' / 'b', correlation causes include a bad boost pressure sensor or a vacuum leak in the system actuator supply voltage 'c', circuit low and mass-airflow sensor 3 (g456), signal to low is the final reason of the code. |
04999 Possible Causes:
04999 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 04999 Code
- Inspect all the connections torque management feedback signal "a", high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns