GM Service Manual Online
For 1990-2009 cars only

Special Functions

Additional Menu Selection(s)

Description

Driver Window Motor

DDM

The DDM commands the driver door window to run to the full up or full down position when Up or Down is selected. The driver door window should run full Up or full Down.

Front Psgr. Window Motor

PDM

The PDM commands the passenger door window to run to the full up or full down position when Up or Down is selected. The passenger door window should run full Up or full Down.