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.
2009 Hummer H2 V8-6.2LFACTORY OEM SERVICE PROCEDURE
Memory Positioning Module: Locations
Passenger Compartment/Roof Component Views
Driver Seat Components - 1 of 2
1 - Seat Recline Motor - Driver
2 - Seat Lumbar Vertical Motor Position Sensor - Driver
3 - Seat Lumbar Vertical Motor - Driver
4 - X324
5 - Seat Lumbar Horizontal Motor - Driver
6 - Seat Lumbar Horizontal Motor Position Sensor - Driver
7 - Seat Recline Position Sensor - Driver
8 - Seat Lumbar Switch - Driver
9 - Seat Adjuster Switch - Driver
10 - Memory Seat Module (MSM)
11 - Inflatable Restraint Seat Position Sensor (SPS) - Driver
12 - Seat Adjuster Motor Assembly - Driver
13 - Seat Belt Buckle - Driver
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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