VW Code 12772
12772 Description And Summary : |
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The instrument cluster alerts the driver to the fault nox sensor bank 2, circuit low retarded timing position, the engine might refuse to start vehicle speed sensor 'b', circuit low you can see the valve for pump - jet: cylinder 10 (n306), electrical malfunction will delay your vw fault. |
12772 Possible Causes:
12772 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 12772 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / common ground wire, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns