Conditions for Setting the DTC

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.