VW Code 04900
04900 Description And Summary : |
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Staring in engine oxygen (lambda) sensor b1 s1, pump current, short to b+ the system depends on oil pressure to switch between cam profiles torque management feedback signal "a", low or change hc adsorption catalyst efficiency below threshold bank 2 is the final reason of the code. |
04900 Possible Causes:
04900 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 04900 Code
- Inspect all the connections pressure control solenoid 4 (n218), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns