Action Taken When the DTC Sets

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.

Left door will not open when the left door handle button/door touch pad is pressed if the vehicle is locked.
Reduced or no coverage of the keyless entry transmitter outside the vehicle when the left door handle button/touch pad is pressed.
The service keyless start system message will display in the DIC.