Vehicle Communication Interface Module (VCIM) X2 (UE1)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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)

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

Harness: I/P Extension (except Y91)
Harness: Instrument Panel (Y91)
OEM: 15431365
Service: 88952886
Description: 12-Way F Micro-Pack 100A Series (NA)

Terminal Part Information

Terminal/Tray: 15445905/23
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12180559/J-35616-16 (L-GN)