Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2003 Hummer H2FACTORY OEM SERVICE PROCEDURE

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Remove the headliner. Refer to Headlining Trim Panel Replacement .

Fig 1: View Of Sunroof Control Module

Courtesy of GENERAL MOTORS CORP.

Depress the tab on the side of the control module.
With the tab depressed, slide the sunroof control module toward the sunroof motor. This will release the control module from the sunroof module.

Fig 2: Disconnecting/Connecting Electrical Connector To Sunroof Control Module

Courtesy of GENERAL MOTORS CORP.

Remove the control module from the sunroof module and disconnect the electrical connector.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.