Body Control Module (BCM) X2

Fig 1: Body Control Module (BCM) X2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 OG	6815	Inadvertent Power Control
2	0.5 RD/WH	2540	Battery Positive Voltage
3	0.5 BN/WH	230	Instrument Panel Lamp Dimming Control
4	-	-	Not Used
5	0.5 GY	157	Interior Lamp Control
6-7	-	-	Not Used
8	0.35 L-BU	13	Headlamp Switch Park Lamp Signal
9-10	-	-	Not Used
11	0.35 WH	278	Ambient Light Sensor Signal
12	0.35 WH	103	Headlamp Switch On Signal
13-15	-	-	Not Used
16	0.35 L-BU	3203	Outage Detection Signal (T4Q)
17	0.35 D-GN	306	Headlamp Switch Headlamps Off Signal
18	0.35 D-BU/WH	149	Courtesy Lamp Control
19	0.35 D-BU	3204	Outage Detection Signal (T4Q)
20	0.35 PU	5357	Right Tail Lamp Outage Detection Signal (Z75 with E52)
21	0.35 L-BU	1788	Traction Control Switch Signal
22	0.35 D-BU	38	Backup Lamp Relay Control
23-24	-	-	Not Used
25	0.35 PU	328	Interior Lamp Switch Voltage Control

Connector Part Information

Terminal Part Information