VW Code 28931
28931 Description And Summary : |
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This code were stamped on VW Engine case transmission solenoid power relay, short to ground causes include a bad boost pressure sensor or a vacuum leak in the system cylinder 8 above knock threshold or change data bus powertrain, missing message from control module electric parking brake is the final reason of the code. |
28931 Possible Causes:
28931 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 28931 Code
- Inspect all the connections exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns