Conditions for Setting the DTC
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
B110A 11
The head-up display switch signal voltage is less than 1 V
B110A 15
The head-up display switch signal voltage is greater than 11.5 V
B110A 63
The head-up display switch is stuck