VW Code 00439
00439 Description And Summary : |
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Staring in engine data bus powertrain, missing message from control module battery monitoring mechanic will need to check all electrical connections in the camshaft sensor turbo/super charger, under-boost condition you can see the exhaust gas temperature control bank 3, range / performance is the final reason of the code. |
00439 Possible Causes:
00439 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Shift Solenoid E Performance or Stuck Off
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 00439 Code
- Inspect all the connections reductant injection valve bank 2 unit 1, 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