Vehicle Communication Interface Module (VCIM) C3

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

Fig 1: Vehicle Communication Interface Module (VCIM) C3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Vehicle Communication Interface Module (VCIM) C3 Connector Part Information

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 Connector Terminal Identification

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