Conditions for Setting the DTC
WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
C1159 49
The K99 Steering Column Tilt Wheel and Telescope Control Module has detected an internal electronic failure or external circuit malfunction.
C1159 54
The K99 Steering Column Tilt Wheel and Telescope Control Module soft stops have not been learned.