B2563Aux A/C Blower Speed 2 Circuit Failure

What it means

B2563 is an OBD-II diagnostic trouble code: Aux A/C Blower Speed 2 Circuit Failure.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.

Sources