Body Control Module (BCM) X1

WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	-	-	Not Used
2	0.35 WH	1390	Ignition II/III/Key in Ignition
3	0.35 GY	1884	Cruise Control Switch Signal
4	0.35 WH/BK	1073	Ignition Key Resistor Signal
5	0.35 L-GN	1715	Windshield Wiper Switch High Signal
6	0.35 D-BU	1796	Steering Wheel Controls Signal (UK3)
7	-	-	Not Used
8	0.35 TN/BK	6009	Low Reference
9	0.35 L-BU	1714	Windshield Wiper Switch Low Signal
10-12	-	-	Not Used
13	0.35 L-GN	1011	Remote Radio Control Signal
14	0.35 PK	3	Ignition Voltage
15	0.35 L-BU/WH	1414	Left Turn Signal Switch Signal
16	0.35 D-BU/WH	1415	Right Turn Signal Switch Signal
17	0.35 PU	1375	12-Volt Reference
18	0.35 PU	524	Headlamp Dimmer Switch High Beam Signal
19	0.35 TN	2144	Hazard Switch Signal
20	0.35 PU	5526	Tap Up/Tap Down Switch Signal
21	0.35 BN	4	Ignition Voltage
22	-	-	Not Used
23	0.35 L-BU	553	Tow/Haul Switch Signal
24	0.35 PK	94	Windshield Washer Switch Signal
25	0.35 BN	1356	Flash To Pass Switch Signal
26-27	-	-	Not Used

Connector Part Information

Harness Type: Steering Column
OEM Connector: 15482789
Service Connector: 88988838
Description: 27-Way F HIT Series (L-GN)

Terminal Part Information

Terminated Lead: 13575870
Release Tool: J-38125-12A
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J