Vehicle Communication Interface Module (VCIM) C4

WARNING: This page is about a different car, the 2007 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Vehicle Communication Interface Module (VCIM) C4 Connector End View

Courtesy of GENERAL MOTORS CORP.

Vehicle Communication Interface Module (VCIM) C4 Connector Parts Information

Connector Part Information

OEM: 638695-2
Service: 88953373
Description: 12-Way F .040 Series (BK)

Terminal Part Information

Pins: 2, 3, 8, 9
Terminal/Tray: 175266-5/15
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)

Vehicle Communication Interface Module (VCIM) C4 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	-	-	Not Used
2	TN/BK	2500	High Speed GMLAN Serial Data (+)
3	TN	2501	High Speed GMLAN Serial Data (-)
4-7	-	-	Not Used
8	TN/BK	2500	High Speed GMLAN Serial Data (+)
9	TN	2501	High Speed GMLAN Serial Data (-)
10-12	-	-	Not Used