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 H2 V8-6.2LFACTORY OEM SERVICE PROCEDURE
Memory Positioning Module: Locations
Passenger Compartment/Roof Component Views
Driver Seat Sub-System Components
1 - X327
2 - Seat Adjuster Switch-Driver
3 - Memory Seat Module-C4
4 - Memory Seat Module-C3
5 - Seat Bolster/Lumbar Switch-Driver
6 - Seat Recline Motor-Driver
7 - X325
8 - X329
9 - X330
10 - C328
11 - Seat Rear Vertical Motor-Driver
12 - Seat Front Vertical Motor-Driver
13 - Memory Seat Module-C2
14 - Memory Seat Module-C1
15 - Seat Horizontal Motor-Driver
16 - X326
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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