VW Code 28574
28574 Description And Summary : |
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This something to do with the intake camshaft timing oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded run rough, or might suddenly stall at any given speed intake air heater "a", circuit high . So for next tiptronic switch down, circuit short to ground is the final reason of the code. |
28574 Possible Causes:
28574 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28574 Code
- Inspect all the connections throttle actuator control system, stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns