Body Control Module (BCM) X3

Fig 1: Body Control Module (BCM) X3 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire Color	Circuit No.	Function
1	0.85 BK	850	Ground
2	0.85 OG/YE	1640	Battery Positive Voltage
3	0.85 OG/RD	2740	Battery Positive Voltage
4	-	-	Not Used
5	0.85 BK	850	Ground
6	-	-	Not Used
7	0.3 GY	728	Security Indicator Control
8	0.5 BN/BK	9004	High Speed GMLAN Serial Data Bus+
9	0.5 BN	9005	High Speed GMLAN Serial Data Bus-
10	D-GN	9208	Low Speed GMLAN Serial Data
11-12	-	-	Not Used
13	0.5 L-GN	526	Stop Lamp Switch Signal
14	0.5 BN/RD	552	Low Reference
15	0.5 GY	598	5-Volt Reference
16	0.5 BN/BK	9006	High Speed GMLAN Serial Data Bus+
17	0.5 BN	9007	High Speed GMLAN Serial Data Bus-
18	0.3 YE	6817	LED Backlight Dimming Control
19	0.3 PU/WH	5727	Communication Enable Relay Control
20	-	-	Not Used
21	0.3 OG	192	Fog Lamp Switch
22-24	-	-	Not Used
25	0.3 PU/WH	6816	Heated Seat Supply Voltage (KA1)

Connector Part Information

Terminal Part Information