2007 Hummer H3 AutomaticFACTORY OEM SERVICE PROCEDURE

Computer/Integrating Systems Component Views

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) Component View
GM1350792Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Body Harness
2 I/P Harness
3 Body Control Module (BCM)
4 C201
5 Body Control Module (BCM) C2 Connector
6 Body Control Module (BCM) C1 Connector
Fig 2: Lower Center Of I/P Component View
GM1362820Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Vehicle Communications Interface Module (VCIM) C1 Connector (UE1)
2 Vehicle Communications Interface Module (VCIM) C2 Connector (UE1)
3 Vehicle Communications Interface Module (VCIM)
4 Courtesy Lamp - Footwell Right
5 Courtesy Lamp - Footwell Left
6 Data Link Connector (DLC)
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.

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