Body Control Module (BCM) C1

WARNING: This page is about a different car, the 2007 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: BCM C1 Connector End View

Courtesy of GENERAL MOTORS CORP.

BCM C1 Connector Part Information

Connector Part Information

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

Terminal Part Information

Pins: 1, 3-9, 13-20, 22, 31, 33, 35, 36, 44, 47, 51, 54, 55, 58-65, 67- 71
Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

BCM C1 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	L-BU/BK	747	Left Rear Door Ajar Switch Signal
2	-	-	Not Used
3	PU	5531	Hood Closed Switch Signal (AP3)
4	PK/BK	109	Hood Ajar Switch Signal (AP3)
5	TN	755	Sunroof Enable Signal (CF5)
6	WH	682	Door Lock Lock/Unlock Signal
7	WH/BK	682	Door Lock Lock/Unlock Signal
8	WH/RD	1080	Park Lamp Relay Control
9	YE	5456	Rear Wiper Park Signal
10-12	-	-	Not Used
13	PK	849	Brake Fluid Level Sensor Signal (1)
14	L-BU	1134	Park Brake Switch Signal
15	YE	5199	Run/Crank Relay Coil Control
16	WH	193	Rear Defog Relay Control
17	D-BU	15	Right Turn Signal Lamp Supply Voltage
18	D-GN	5060	Low Speed GMLAN Serial Data (U2K)
19	TN/WH	746	Right Front Door Ajar Switch Signal
20	L-GN/BK	748	Right Rear Door Ajar Switch Signal
21	-	-	Not Used
22	GY/BK	745	Left Front Door Ajar Switch Signal
23-30	-	-	Not Used
31	L-BU	1344	Liftgate Release Relay Control
32	-	-	Not Used
33	D-GN/WH	1135	A/T Shift Interlock Solenoid Supply Voltage (MN5)
34	-	-	Not Used
35	L-BU	14	Left Turn Signal Lamp Supply Voltage
36	D-GN	5060	Low Speed GMLAN Serial Data (UE1)
37-43	-	-	Not Used
44	TN/WH	1969	Headlamp High Beam Relay Control
45-46	-	-	Not Used
47	YE	196	Windshield Wiper Motor Park Switch Signal
48-50	-	-	Not Used
51	D-GN	113	Windshield Wiper Switch Signal 2
52-53	-	-	Not Used
54	YE	317	Fog Lamp Relay Control (T37)
55	PK/BK	1303	Liftgate Ajar Switch Signal
56-57	-	-	Not Used
58	L-GN	2270	Rear Window Washer Relay Control
59	GY	391	Rear Window Wiper Switch Signal
60	TN	28	Horn Relay Control
61	BK/WH	1251	Signal Ground
62	RD/WH	1240	Battery Positive Voltage
63	GY	596	5-Volt Reference
64	BK/WH	851	Signal Ground
65	TN/WH	1704	Sensor Low Reference
66	-	-	Not Used
67	YE	61	Low Reference
68	WH	5075	Current Sensor Signal
69	WH/BK	1221	Liftgate Release Switch Signal (Except Panel Van)
69	L-GN	5926	Release Switch Signal (Panel Van)
70	D-GN/WH	636	Ambient Air Temperature Sensor Signal
71	L-GN/BK	592	DRL Relay Control
72	-	-	Not Used