Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
B361B 02
The head-up display switch signal voltage is less than 1 V
B361B 05
The head-up display switch signal voltage is greater than 11.5 V
B361B 59
The head-up display switch is stuck