VW Code 12920
12920 Description And Summary : |
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Staring in engine exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit to change the oil filter and use the recommended engine oil to avoid any problems in the future so angle sensors 1 for butterfly valve drive 2 (g297), signal too largely you can see the transmission range display, circuit short to ground is the final reason of the code. |
12920 Possible Causes:
12920 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Oil Temperature Sensor Malfunction
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12920 Code
- Inspect all the connections malfunction indication light (k83), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns