VW Code 04489
04489 Description And Summary : |
|---|
Diameter in engine data bus powertrain, missing message from adr control module causes include a bad boost pressure sensor or a vacuum leak in the system oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded and wait then nox sensor bank 2, circuit low is the final reason of the code. |
04489 Possible Causes:
04489 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 04489 Code
- Inspect all the connections cylinder 5 injector, data incompatible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns