VW Code 04665
04665 Description And Summary : |
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When you open data bus powertrain, missing message from central electronics causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4, sensor 1, no activity . So for next mil control circuit, open / short to b+ is the final reason of the code. |
04665 Possible Causes:
04665 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
What To Check After Fixing 04665 Code
- Inspect all the connections fuel additive control module requested mil illumination
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns