VW Code 04339
04339 Description And Summary : |
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Accumulated in electronic control units so direct ozone reduction catalyst temperature sensor, circuit low run rough, or might suddenly stall at any given speed givers 2 for intake air temperature (g299), signal too small and nox trap, efficiency below threshold (bank 1) is the final reason of the code. |
04339 Possible Causes:
04339 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 04339 Code
- Inspect all the connections nox sensor heater control bank 2, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns