Vehicle Communication Interface Module (VCIM) X1 (UE1)

WARNING: This page is about a different car, the 2008 Cadillac CTS. 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	0.8 BK/WH	851	Ground
8-9	-	-	Not Used
10	0.35 TN/WH	2500	High Speed GMLAN Serial Data Bus+
11	0.35 D-GN/WH	2514	Keypad Signal
12	0.35 TN	2501	High Speed GMLAN Serial Data Bus-
13	0.35 YE/BK	950	Heated Seat Element Supply Voltage
14	0.35 BN/WH	940	5-Volt Reference
15	0.8 OG	3340	Battery Positive Voltage
16	-	-	Not Used

Connector Part Information

OEM: 917981-1
Service: 15306351
Description: 16-Way F .040/.070 Hybrid Series (WH)

Terminal Part Information

Pins: 1-3, 6, 7, 10-12, 15
Terminal/Tray: 175266-5/15
Core/Insulation Crimp: Pins 1-3, 6, 10-12 - J/J
Core/Insulation Crimp: Pins 7, 15 - K/K
Release Tool/Test Probe: 15315247/J-35616-16 (L-GN)