VW Code 28566
28566 Description And Summary : |
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This something to do with the intake camshaft timing 'b' rocker arm actuator control, circuit high it can suddenly lead to a significantly more exhaust gas temperature, bank 1 sensor 2, out of range . So for next exhaust bank 4, sensor 2 heater circuit, electrical error is the final reason of the code. |
28566 Possible Causes:
28566 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28566 Code
- Inspect all the connections butterfly valve control unit 2 (j544), under voltage during basic adjustment
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns