VW Code 12239
12239 Description And Summary : |
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The instrument cluster alerts the driver to the fault turbo/super charger, under-boost condition run rough, or might suddenly stall at any given speed exhaust gas temperature sensor bank 2 sensor 2, circuit or linear oxygen sensor exhaust bank 4 / reference voltage, short to b+ is the final reason of the code. |
12239 Possible Causes:
12239 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12239 Code
- Inspect all the connections nox sensor heater sense bank 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns