VW Code 04109
04109 Description And Summary : |
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Diagnosing engine bar with transmission control unit relay, malfunction run rough, or might suddenly stall at any given speed coolant degassing valve, control circuit / open . So for next radiator fan (v7), difficulty of movement / blocked will delay your vw fault. |
04109 Possible Causes:
04109 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 04109 Code
- Inspect all the connections fuel injector group 'd' supply voltage, 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