GM Service Manual Online
For 1990-2009 cars only

Important: The output command for Open/Close Roof must be allowed to complete. If the output command for Open Or Close is not run to the Full Open position, or Full Close position, the PRM will lose the roof position, and the Roof Auto Relearn procedure must be performed.

Power Roof Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Open/Close Roof

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The PRM activates the power roof to the Open position when you select Open. The PRM activates the power roof to the Close position when you select Close.