Rear Object Sensor Control Module

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Rear Object Sensor Control Module Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 YE	2375	LR Corner Object Sensor Signal
2	0.35 OG	2376	LR Middle Object Sensor Signal
3	0.5 D-GN	2377	RR Middle Object Sensor Signal
4	0.35 RD	2378	RR Corner Object Sensor Signal
5	0.35 D-BU	2374	Object Sensor Supply Voltage
6	0.35 GY	2379	Object Sensor Low Reference
7-11	-	-	Not Used
12	0.5 BK	550	Ground
13	0.35 PK	739	Ignition 1 Voltage
14	-	-	Not Used
15	0.35 L-GN	24	Backup Lamp Supply Voltage
16	0.35 L-GN	2525	Rear Parking Assist Diagnostic Signal
17	-	-	Not Used
18	0.35 D-GN	389	Vehicle Speed Signal
19-21	-	-	Not Used
22	0.35 L-GN	1845	Chime Control
23	0.35 WH	2370	Telltale Assembly Supply Voltage
24	0.35 GY	2373	Red Indicator Control
25	0.35 D-BU	2372	Center Amber Indicator Control
26	0.35 OG	2371	Left Amber Indicator Control

Connector Part Information

OEM: 12124957
Service: 88987946
Description: 26-Way F Modular IV Series (BK)

Terminal Part Information

Pins: 1-6, 15, 16, 18, 22-26
Terminal/Tray: 104479-9/25
Core/Insulation Crimp: H/H
Release Tool/Test Probe: J-38125-24/J-35616-64B (L-BU)

Pins: 12, 13
Terminal/Tray: 0-963720-3/25
Core/Insulation Crimp: J/J
Release Tool/Test Probe: J-38125-24/J-35616-64B (L-BU)