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	0.35 TN/BK	2500	High Speed GMLAN Serial Data (+)
2	0.35 TN/BK	2500	High Speed GMLAN Serial Data (+)
3	0.35 PK/WH	1970	Headlamp Low Beam Relay Control
4	0.35 PU	524	Headlamp Dimmer Switch High Beam Signal
5	0.35 BN/WH	301	Park Lamp Switch On Signal
6	0.35 YE	1977	Rear Fog Lamps Switch Signal (Europe)
7	0.35 PK	5068	Intrusion Sensor Switch Disable Signal (Europe)
8	-	-	Not Used
9	0.35 TN	2144	Hazard Switch Signal
10	-	-	Not Used
11	0.35 OG	5721	OFF Indicator Control
12-13	-	-	Not Used
14	0.35 TN	28	Horn Relay Control
15	0.35 WH	103	Headlamp Switch Headlamps On Signal
16	0.35 OG	192	Front Fog Lamp Switch Signal
17	0.35 L-BU	1872	Exterior Lamps OFF Input
18	0.35 GY	5381	5-Volt Reference
19	0.35 TN	2501	High Speed GMLAN Serial Data Bus (-)
20	0.35 TN	2501	High Speed GMLAN Serial Data Bus (-)
21-30	-	-	Not Used
31	0.35 TN	5380	Brake Position Sensor Signal
32-48	-	-	Not Used
49	0.35 PK	1607	Park Brake Relay Coil 2 Control
50	-	-	Not Used
51	0.35 BN	1356	Flash To Pass Switch Signal
52-56	-	-	Not Used
57	0.35 D-GN	5737	ACC Gap Adjustment Switch Signal
58	-	-	Not Used
59	0.35 BN	5382	Low Reference
60	-	-	Not Used
61	0.35 GY	1884	Cruise Control Set/Coast and Resume/Accelerate Switch Signal
62-65	-	-	Not Used
66	0.35 L-BU/WH	1414	Left Turn Signal Switch Signal
67	0.35 D-BU/WH	1415	Right Turn Signal Switch Signal
68	0.35 BN/WH	1571	Traction Control Switch Signal
69	0.35 D-GN/WH	1932	Transmission Shift Select Switch (Park) Signal
70	-	-	Not Used
71	0.35 L-GN	5720	ACC Indicator Control
72	-	-	Not Used

Connector Part Information

Terminal Part Information