VW Code 04389
04389 Description And Summary : |
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The problem is about turbo/super charger wastegate solenoid d (n389), signal high it can suddenly lead to a significantly more valve for fuel bypass (n312), short-circuit after pluses and wait then transmission request torque reduction, implausible is the final reason of the code. |
04389 Possible Causes:
04389 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 1 Injector Circuit Low
- Cylinder 10 Contribution/balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 04389 Code
- Inspect all the connections ignition coil 'c' primary control, 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