Body Control Module (BCM) X5

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Body Control Module (BCM) X5 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.8 YE	18	Left Rear Stop/Turn Lamp Supply Voltage (-T90)
1	0.8 L-BU	14	Left Turn Signal Lamps Supply Voltage (T90)
2	0.8 D-BU	15	Right Turn Signal Lamps Supply Voltage (T90)
2	0.8 D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage (-T90)
3	-	-	Not Used
4	0.8 L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage/Left Turn Signal Indicator Lamp Supply Voltage
5	0.8 L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
6	0.35 WH	17	Stop Lamp Switch Signal or Stop Lamp Supply Voltage
7	0.35 WH	2282	Headlamp Washer Relay Control (CE4)
8	0.35 PK	5076	Current Sensor Supply Voltage
9	0.35 WH	5075	Current Sensor Signal
10	0.35 BN	5077	Current Sensor Low Reference
11	0.35 D-GN	801	RAP Fuse Supply Voltage (C3U/CE1)
12	-	-	Not Used
13	0.35 OG	300	Ignition 3 Voltage
14	0.35 YE	43	Accessory Voltage
15	0.35 PK/BK	109	Hood Ajar Switch Signal (UHA/UA2)
16	0.5 OG/BK	233	Park Brake Switch Signal
17	0.35 YE	5356	Left Tail Lamp Outage Detection Signal
18	0.35 BK	28	Horn Relay Control
19	-	-	Not Used
20	0.35 GY	91	Windshield Wiper Switch Signal 2
21	0.35 BK	860	Front Windshield Wiper Switch High Signal
22	-	-	Not Used
23	0.35 PK/WH	1970	Headlamp Relay Control
24	0.35 D-BU	45	Park Lamp Supply Voltage/Marker Lamp Supply Voltage
25	-	-	Not Used

Connector Part Information

OEM: 15480179
Service: 88988837
Description: 25-Way F HIT Series (BN)

Terminal Part Information

Pins: 1, 2, 4, 5
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: 6-11, 13-18, 20, 21, 23, 24
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)