WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Object Sensor - LR Corner

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15324398 (Delphi) 1-967642-1 (Tyco) Service: 15306313 3-Way F MQS Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	YE	2375	LR Corner Object Sensor Signal
2	GY	2379	Object Sensor Low Reference
3	D-BU	2374	Object Sensor Supply Voltage

Object Sensor - LR Middle

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15324398 (Delphi) 1-967642-1 (Tyco) Service: 15306313 3-Way F MQS Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	OG	2376	LR Middle Object Sensor Signal
2	GY	2379	Object Sensor Low Reference
3	D-BU	2374	Object Sensor Supply Voltage

Object Sensor - RR Corner

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15324398 (Delphi) 1-967642-1 (Tyco) Service: 15306313 3-Way F MQS Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	RD	2378	RR Corner Object Sensor Signal
2	GY	2379	Object Sensor Low Reference
3	D-BU	2374	Object Sensor Supply Voltage

Object Sensor - RR Middle

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 15324398 (Delphi) 1-967642-1 (Tyco) Service: 15306313 3-Way F MQS Sealed (BK)
Pin	Wire Color	Circuit No.	Function
1	D-GN	2377	RR Middle Object Sensor Signal
2	GY	2379	Object Sensor Low Reference
3	D-BU	2374	Object Sensor Supply Voltage

Rear Object Sensor Control Module

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12124957 (Delphi) 927690-1 (AMP) Service: 88987946 26-Way F Modu IV Series (BK)
Pin	Wire Color	Circuit No.	Function
1	YE	2375	LR Corner Object Sensor Signal
2	OG	2376	LR Middle Object Sensor Signal
3	D-GN	2377	RR Middle Object Sensor Signal
4	RD	2378	RR Corner Object Sensor Signal
5	D-BU	2374	Object Sensor Supply Voltage
6	GY	2379	Object Sensor Low Reference
7-11	-	-	Not Used
12	BK	550	Ground
13	PK	739	Ignition 1 Voltage
14	-	-	Not Used
15	L-GN	24	Backup Lamp Supply Voltage
16	L-GN	2525	Rear Parking Assist Diagnostic Signal
17	-	-	Not Used
18	D-GN	389	Vehicle Speed Signal
19-21	-	-	Not Used
22	L-GN	1845	Chime Control
23	WH	2370	Telltale Assembly Supply Voltage
24	GY	2373	Red Indicator Control
25	D-BU	2372	Center Amber Indicator Control
26	OG	2371	Left Amber Indicator Control

Rear Parking Assist (RPA) Display

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12045813 Service: 12101889 4-Way F Metri-Pack 150 Series (NA)
Pin	Wire Color	Circuit No.	Function
A	WH	2370	Telltale Assembly Supply Voltage
B	OG	2371	Left Amber Indicator Control
C	D-BU	2372	Center Amber Indicator Control
D	GY	2373	Red Indicator Control

Rear Parking Assist (RPA) Diagnostic Connector

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12047682 Service: 12101850 1-Way F Metri-Pack 150 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	2525	L-GN	Rear Parking Assist Diagnostic Input

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Object Detection Connector End Views

Use the Manual With the Right Hardware

When to See a Mechanic

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