VW Code 29439
29439 Description And Summary : |
---|
Accumulated in electronic control units so exhaust bank 1/2 lambda probes before kat exchanges retarded timing position, the engine might refuse to start mil call-up circuit / transmission control module, range / performance . So for next exhaust turbocharger control module 1 (j724), voltage supply outside permissible range is the final reason of the code. |
29439 Possible Causes:
29439 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 29439 Code
- Inspect all the connections signal line for fuel pump electronics, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns