SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 417 (COMPONENT LOCATIONS & COMPONENT CONNECTOR END VIEWS)COMPONENT CONNECTOR END VIEWSREAR OBJECT SENSOR CONTROL MODULE
2008 Pontiac Grand Prix Base

Rear Object Sensor Control Module

2008 Pontiac Grand Prix BaseSECTION 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
GM599191Courtesy of GENERAL MOTORS CORP.
Rear Object Sensor Control Module

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)
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.