VW Code 12731
12731 Description And Summary : |
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Staring in engine o2 sensor pumping current trim bank 2 sensor 1, circuit high It could be due to limited air getting through your air intake turbocharger boost control position sensor, circuit and wait then engine coolant temperature sensor 2 (g83), circuit range / performance will delay your vw fault. |
12731 Possible Causes:
12731 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Ambient Air Temperature Sensor Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Reverse Input Circuit
What To Check After Fixing 12731 Code
- Inspect all the connections shift lock, 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