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.
2007 Hummer H2 V8-6.0LFACTORY OEM SERVICE PROCEDURE
Control Module: Locations
Transfer Case Control Component Views
Left Center of the I/P:
1 - Instrument Panel
2 - Body Control Module (BCM)
3 - Transfer Case Shift Control Module
4 - Transfer Case Shift Control Switch
5 - Transfer Case Shift Control Module
6 - I/P Harness
7 - Transfer Case Shift Control Module - C3
8 - Transfer Case Shift Control Module - C2
9 - Transfer Case Shift Control Module - C1
10 - Headlamp and Panel Dimmer Switch
11 - BCM - C1
12 - BCM - C2
13 - BCM - C3
14 - BCM - C4
15 - BCM - C5
16 - BCM - C6
17 - Body Harness
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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