VW Code 12077
12077 Description And Summary : |
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This code were stamped on VW Engine case please check dtc memory of transmission ecu causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3, probe 2 internal resistance too largely . So for next nox sensor heater control bank 2, circuit low is the final reason of the code. |
12077 Possible Causes:
12077 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12077 Code
- Inspect all the connections control module 2 for cooling fan, excess temperature
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns