Body Control Module (BCM) X2

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) X2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.8 OG	1732	Courtesy Lamps Supply Voltage
2	0.8 OG	1840	Battery Positive Voltage
3	0.8 GY	8	Instrument Panel Lamp Supply Voltage/Instrument Panel Lamps Dimmer Switch Signal
4	-	-	Not Used
5	0.8 GY/BK	690	Courtesy Lamp Relay Control
6-7	-	-	Not Used
8	0.35 BN/WH	301	Rear Park Lamps Supply Voltage/Park Lamp Switch On Signal
9	-	-	Not Used
10	0.35 TN	2144	Hazard Switch Signal
11	0.35 L-GN/BK	1137	DRL Ambient Light Sensor Signal
12	0.35 WH	103	Headlamp Switch Headlamps On Signal or Automatic Headlamp Relay Control
13-17	-	-	Not Used
18	0.35 PK/BK	1597	Courtesy Lamps Switch On Signal
19	-	-	Not Used
20	0.35 PU	5357	Right Tail Lamp Outage Detection Signal
21	0.35 BN/WH	1571	Traction Control Switch Signal
22	0.35 D-GN/WH	1135	A/T Shift Lock Control Solenoid Control (MYB)
23-25	-	-	Not Used

Connector Part Information

OEM: 15482790
Service: 88988839
Description: 25-Way F HIT Series (NA)

Terminal Part Information

Pins: 1-3, 5
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: 8, 10-12, 18, 20-22
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)