Vehicle Communication Interface Module (VCIM) X2 (UE1)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Vehicle Communication Interface Module (VCIM) X2 (UE1) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 D-BU	658	Cellular Telephone Voice Signal
2	0.35 L-BU/BK	659	Low Reference
3	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
4	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
5-7	-	-	Not Used
8	0.5 BARE	1782	Drain Wire (Except Y91)
8	0.35 BARE	1782	Drain Wire (Y91)
9	0.35 GY	655	Cellular Telephone Voice Signal
10	0.5 BARE	514	Drain Wire (Except Y91)
10	0.35 BARE	514	Drain Wire (Y91)
11-12	-	-	Not Used

Connector Part Information

OEM: 15431365
Service: 88952886
Description: 12-Way F Micro 64 (WH)

Terminal Part Information

Terminal/Tray: 15445905/23
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12180559/J-35616-6 (BN)