Vehicle Communication Interface Module (VCIM) C3

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Vehicle Communication Interface Module (VCIM) C3
Fig 1: Vehicle Communication Interface Module (VCIM) C3 Connector End Views
GM1376697Courtesy of GENERAL MOTORS CORP.
Cellular Communication Connector End Views

Connector Part Information 
  • OEM: 15398939
  • Service: 88953373
  • Description: 12-Way F040 II (BK)

Terminal Part Information 
  • Terminal/Tray: 15355438/20
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-12 (BU)
Vehicle Communication Interface Module (VCIM) C3

Pin Wire Color Circuit No. Function
1 D-GN 5060 Low Speed GMLAN Serial Data
2 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
3 TN 2501 Low Speed GMLAN Serial Data Bus (-)
4-6 - - Not Used
7 D-GN 5060 Low Speed GMLAN Serial Data
8 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
9 TN 2501 Low Speed GMLAN Serial Data Bus (-)
10-12 - - Not Used
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.