VW Code 04439
04439 Description And Summary : |
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Diameter in engine cannot activate controller reply function due to another error with equal priority the system depends on oil pressure to switch between cam profiles transmission mount valve 2 (n263), open circuit and wait then linear oxygen sensor exhaust bank 2 / common ground wire, short to b+ is the final reason of the code. |
04439 Possible Causes:
04439 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 04439 Code
- Inspect all the connections exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns