Body Control Module (BCM) X4

WARNING: This page is about a different car, the 2016 Chevrolet Impala Limited. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Body Control Module (BCM) X4 Connector End View

Courtesy of GENERAL MOTORS COMPANY

Pin	Wire	Circuit	Function
1	0.8 RD/WH	340	Battery Positive Voltage
2	0.8 RD/WH	240	Battery Positive Voltage
3	0.8 RD/WH	440	Battery Positive Voltage
4	0.8 RD/WH	1240	Battery Positive Voltage
5	0.5 D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
6	-	-	Not Used
7	0.35 YE	196	Windshield Wiper Motor Park Switch Signal
8	-	-	Not Used
9	0.5 BK	50	Ground
10	0.35 RD/WH	2440	Battery Positive Voltage
11	0.35 D-GN/WH	1317	Fog Lamp Relay Control (T96)
12	0.35 YE	5187	Right Trailer Turn Signal Lamp (6J6)
13	0.35 OG	5186	Left Trailer Turn Signal Lamp (6J6)
14	-	-	Not Used
15	0.35 OG	2268	Windshield Washer Relay Control
16	0.35 TN/WH	1969	Headlamp High Beam Relay Control
17	0.35 PK/BK	109	Hood Ajar Switch Signal
18	-	-	Not Used
19	0.35 D-BU	5985	Accessory Wakeup Serial Data
20	-	-	Not Used
21	0.35 YE	5199	Run/Crank Relay Coil Control
22	-	-	Not Used
23	0.35 PU	544	DRL PCB Relay Control
24-25	-	-	Not Used

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 15482792
Service Connector: 88988841
Description: 25-Way F HIT Series (BK)

Terminal Part Information

Pins: 1-5
Terminated Lead: 13327199
Release Tool: J-38125-12A
Diagnostic Test Probe: J-35616-35 (VT)
Terminal/Tray: SNAC-A061T-M2.8/20
Core/Insulation Crimp: E/A

Pins: 7, 9-11, 15-17, 19, 21, 23
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