Body Control Module (BCM) C3

WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Body Control Module C3 Connector End Views

Courtesy of GENERAL MOTORS CORP.

Computer/Integrating Systems Connector End Views

Connector Part Information

OEM: 15482791
Service: See Catalog
Description: 25-Way F Receptacle 0.64 2.8

Terminal Part Information

Pins: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22
Terminal/Tray: SNAC3-A021T-M0.64/20
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12094429/J-35616-64A (L-BU)

Pins: 1, 2, 5, 3
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: Pins 1, 2, 5 - E/A
Core/Insulation Crimp: Pins 3 - See Terminal Repair Kit
Release Tool/Test Probe: 12094429/J-35616-4A (PU)

Body Control Module (BCM) C3

Pin	Wire Color	Circuit No.	Function
1	BK/WH	1551	Ground
2	RD/WH	1640	Battery Positive Voltage
3	RD/WH	1040	Battery Positive Voltage
4	-	-	Not Used
5	BK/WH	1551	Ground
6-7	-	-	Not Used
8	TN/BK	2500	High Speed GMLAN Serial Data Bus+
9	TN	2501	High Speed GMLAN Serial Data Bus-
10	D-GN	5060	Low Speed GMLAN Serial Data
11	D-GN	44	Instrument Panel Lamps Dimmer Switch Signal
12	OG/WH	812	12-Volt Reference or IP Dimming Voltage Reference
13	L-GN	526	Stop Lamp Switch Signal
14	TN	552	Low Reference
15	GY	598	5-Volt Reference
16	TN/BK	2500	High Speed GMLAN Serial Data Bus+
17	TN	2501	High Speed GMLAN Serial Data Bus-
18	PU/WH	1382	LED Dimming Signal/LED Dimming Supply
19	L-BU	5986	Serial Data Communication Enable (JL9)
20	-	-	Not Used
21	OG	192	Front Fog Lamp Switch Signal
21	D-BU/YE	6841	Rear Lamp Flasher Signal (9C1, 9C3)
22	D-GN/WH	7158	Cruise Control Indicator Dimming Signal
23-25	-	-	Not Used