Conditions for Setting the DTC
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
B3664 02
The sunroof control module has detected and reported via serial data that the sunroof switch signal is shorted to ground.
B3664 05
The sunroof control module has detected and reported via serial data that the sunroof switch signal is open or shorted to voltage.
B3664 59
The sunroof control module has detected and reported via serial data that the sunroof switch has been in the same active position for 20 seconds after the glass has stopped moving in the requested direction due to reaching the end of the allowable motion.