VW Code 05921
05921 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault transmission range display, circuit short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 main catalyst, effectiveness too low and linear oxygen sensor exhaust bank 4 / reference voltage, short to b+ is the final reason of the code. |
05921 Possible Causes:
05921 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Cylinder 10 Contribution/balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 05921 Code
- Inspect all the connections exhaust bank 4, sensor 2, signal too slowly
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns