Body Control Module (BCM) X1

Fig 1: Body Control Module (BCM) X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	-	-	Not Used
2	0.35 YE	5058	Intrusion Sensor Armed Signal (UA2)
3	-	-	Not Used
4	0.35 D-GN	5525	Tap Up/Tap Down Enabled Signal
5-6	-	-	Not Used
7	0.35 L-GN	5724	BCM Ignition Mode Ground
8-11	-	-	Not Used
12	0.35 BK/WH	851	Ground
13	0.35 TN	28	Horn Relay Control
14	0.35 D-BU	5719	START Indicator Control
15	0.35 WH	5741	Steering Column Lock Enable Relay
16	0.35 L-BU	1344	Trunk Release Control Signal
17	0.35 L-BU	187	Rear Fog Lamp Relay Control (Export)
18	0.35 OG/BK	744	Rear Compartment Lid Ajar Switch Signal
19	0.35 D-GN/WH	1317	Front Fog Lamp Relay Control
20-21	-	-	Not Used
22	0.35 YE	43	Accessory Voltage
23-28	-	-	Not Used
29	0.35 TN/WH	1969	Headlamp High Beam Relay Control
30-34	-	-	Not Used
35	0.35 TN	305	Trunk Key Switch Signal
36-37	-	-	Not Used
38	0.35 L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage (- Europe/Japan)
38	0.5 L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage (Europe/Japan)
39-41	-	-	Not Used
42	0.35 L-GN/BK	1605	Park Brake Relay Coil 1 Control
43	-	-	Not Used
44	0.35 TN	126	Left Front Door Open Switch Signal
45-46	-	-	Not Used
47	0.35 PU	5357	Right Tail Lamp Outage Detection Signal
48	-	-	Not Used
49	0.35 PU	5059	Intrusion Sensor Alarm On Signal (UA2)
50	-	-	Not Used
51	0.35 GY/BK	745	Left Front Door Ajar Switch Signal
52	-	-	Not Used
53	0.35 TN/WH	746	Right Front Door Ajar Switch Signal
54	-	-	Not Used
55	0.35 L-GN	1037	BCM Class 2 Serial Data
56	0.35 D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage (- Europe/Japan)
56	0.5 D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage (Europe/Japan)
57	0.35 WH	2282	Headlamp Washer Relay Control
58	0.35 D-GN	1399	Auxiliary Power Relay Coil Voltage
59	-	-	Not Used
60	0.35 L-GN	1845	Rear Parking Assist Chime Signal
61	0.35 PK	94	Windshield Washer Switch Signal
62	0.35 YE	5356	Left Tail Lamp Outage Detection Signal
63	0.35 L-GN	1177	Right Front Door Open Switch Signal
64	0.35 GY	91	Windshield Wiper Switch Signal 2
65	0.35 WH	1080	Park Lamp Relay Control
66	0.35 L-GN/WH	5723	BCM Ignition Mode Data Signal
67	-	-	Not Used
68	0.35 TN/BK	5168	Power Sounder Enable Signal (Europe)
69	0.35 PK/BK	109	Hood Ajar Switch Signal (UA2)
70	-	-	Not Used
71	0.35 BN/WH	2091	Trunk Release Switch Supply Voltage
72	-	-	Not Used

Connector Part Information

OEM: 15393122
Service: 88987847
Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information

Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)