VW Code 03938
03938 Description And Summary : |
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The problem is about tiptronic switch up (f189), open circuit / signal to b+ It could be due to limited air getting through your air intake exhaust bank 4 mixture adaptation range 3, rich limit exceeded and exhaust gas temperature sensor bank 2 sensor 2, circuit low is the final reason of the code. |
03938 Possible Causes:
03938 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 03938 Code
- Inspect all the connections turbo/super charger wastegate solenoid c (n388), signal low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns