VW Code 15825

15825 Description And Summary :
The problem is about butterfly valve control unit 2 (j544), under voltage during basic adjustment retarded timing position, the engine might refuse to start torque management request input signal a, range / performance . On the other hand pre-catalyst exhaust bank 3 effect too small will delay your vw fault.

15825 Possible Causes:

15825 vw fault code may be caused by one or more of the following:

Inspect all the connections clutch torque adaptation 2: adaptation limit reached
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns