Body Control Module (BCM) X1

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) X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	-	-	Not Used
2	0.35 WH	1390	Off/Run/Crank Voltage
3	0.35 GY	1884	Cruise Control Switch Signal
4	0.35 WH/BK	1073	5-Volt Reference
5	0.35	1715	Windshield Wiper Switch High Signal
6	0.35 D-BU	1796	Steering Wheel Controls Signal
7	-	-	Not Used
8	0.35 BK/WH	1251	Ground
9	0.35 L-BU	1714	Windshield Wiper Switch Low Signal
10-13	-	-	Not Used
14	0.35 PK	3	Battery Positive Voltage
15	0.35 L-BU/WH	1414	Left Front Turn Signal Switch Signal
16	0.35 D-BU/WH	1415	Right Front Turn Signal Switch Signal
17	0.35 PU	1375	Remote Radio Control Supply Voltage
18	0.35 PU	524	Headlamp Dimmer Switch High Beam Signal
19	0.35 OG	192	Front Fog Lamp Switch Signal
20	0.35 PU	5526	Tap Up/Tap Down Switch Signal
21-22	-	-	Not Used
23	0.35 D-GN	306	Headlamp Switch Headlamps Off Signal
24	0.35 PK	94	Windshield Washer Switch Signal
25	0.35 BN	1356	Flash To Pass Switch Signal
26	0.35 PU/WH	5905	Key Capture/Column Lock Shift Position Signal
27	-	-	Not Used

Connector Part Information

OEM: 15482789
Service: See Catalog
Description: 27-Way F HIT Series (L-GN)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit