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.

2008 Hummer H3 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Memory Seat Control Module Replacement

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View of Memory Seat Control Module

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Remove the front seat. Refer to Bucket Seat Replacement . Remove the seat cushion cover and pad. Refer to Front Seat Cushion Cover and Pad Replacement . Re-zero the inflatable restraint passenger presence system whenever the seat cushion or any component of the passenger presence system is removed. Refer to Control Module References .
1	Seat Cushion Frame Refer to Seat Cushion Frame Replacement .
2	Seat Adjuster Memory Module Screw (Qty: 3) CAUTION: Refer to Fastener Caution . Tighten: 2 N.m (18 lb in)
3	Seat Adjuster Memory Module Tip: Reprogram the memory seat module when replaced. Refer to Control Module References .

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.