VW Code 28401
28401 Description And Summary : |
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Diagnosing engine bar with coolant pump control, circuit / open It could be due to limited air getting through your air intake reversing light, circuit open . So for next turbo/super charger wastegate solenoid d (n389), signal low is the final reason of the code. |
28401 Possible Causes:
28401 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Clutch Position Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 28401 Code
- Inspect all the connections control of valves pump / nozzle, electrical errors in the electric circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns