Vehicle Communication Interface Module (VCIM) X1 (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) X1 (UE1) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 D-GN	5060	Low Speed GMLAN Serial Data
2	0.35 BN/WH	2517	Keypad Red LED Signal
3	0.35 YE/BK	2516	Keypad Green LED Signal
4-5	-	-	Not Used
6	0.35 L-GN/BK	2515	Keypad Supply Voltage
7	0.5 BK	2550	Ground
8-9	-	-	Not Used
10	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
11	0.35 D-GN/WH	2514	Keypad Signal
12	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
13-14	-	-	Not Used
15	0.5 RD/WH	3240	Battery Positive Voltage (Except Y91)
15	0.5 RD/WH	1540	Battery Positive Voltage (Y91)
16	-	-	Not Used

Connector Part Information

OEM: 15431362
Service: 15306351
Description: 16-Way F Micro 100A (WH)

Terminal Part Information

Pins: 1-3, 6-7, 10-12, 15
Terminal/Tray: 15445905/23
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12180559/J-35616-6 (BN)