Power Windows System Components

WARNING: This page is about a different car, the 2006 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

The power windows system consists of the following components:

Driver door module (DDM) - GMLAN device that receives and transmits messages and signals for window functionality
Passenger front door module (PDM) - GMLAN device that receives and transmits messages and signals for window functionality
Left rear door module (LRDM) - GMLAN device that receives and transmits messages and signals for window functionality
Right rear door module (RRDM) - GMLAN device that receives and transmits messages and signals for window functionality
Driver door switch assembly (DDSA) - GMLAN device that contains the driver, front passenger, RR and LR window and window lockout switches
Right front power window switch - provides switched ground window switch signals to the PDM for the front passenger window
Left rear power window switch - provides switched ground window switch signals to the LRDM for the left rear passenger window
Right rear power window switch - provides switched ground window switch signals to the RRDM for the right rear passenger window
Left front power window motor - contains position sensors and a module that receives signals from the DDM and provides a status signal to the DDM
Right front power window motor - contains position sensors and a module that receives signals from the PDM and provides a status signal to the PDM
Left rear power window motor - contains position sensors and a module that receives signals from the LRDM and provides a status signal to the LRDM
Right rear power window motor - contains position sensors and a module that receives signals from the RRDM and provides a status signal to the RRDM
DRIVER DR MOD fuse (10-amp)
FRT PASS DR MOD fuse (15-amp)
REAR DR MOD fuse (10 amp)
Power Window Motors Circuit Breaker (30-amp)