General Motors 15251256 Passenger Rear Door Module is a component intended for the passenger-side rear door of 2004–2007 Cadillac CTS models, identified by GM part number 15251256. This electronic control module integrates with the door’s electrical system to manage those functions in the rear passenger door. Compatible with the 2004–2007 Cadillac CTS, this part is used when replacing the rear door module to restore proper operation of the door’s electrical features.
