2006 Cadillac Escalade EXTFACTORY OEM SERVICE PROCEDURE

Object Detection Connectors

Object Sensor - LR Corner

GM850863Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15324413
  • 3-Way F Amp Series (BN)
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

GM850863Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15324413
  • 3-Way F Amp Series (BN)
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

GM850863Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15324413
  • 3-Way F Amp Series (BN)
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

GM850863Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15324413
  • 3-Way F Amp Series (BN)
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 Parking Assist (RPA) Diagnostic Connector

GM82383Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12047662
  • 2-Way F Metri-Pack 150 Series (BK)
Pin Wire Color Circuit No. Function
A L-GN 2525 Rear Parking Assist Diagnostic Connector Signal
B BK 1250 Ground (Escalade EXT)
BK 1450 Ground (Except Escalade EXT)
Rear Parking Assist (RPA) Disable Switch

GM304344Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12177196
  • 6-Way F Metri-Pack 150 Series (BN)
Pin Wire Color Circuit No. Function
A GY 2555 Rear Parking Assist Disable Input
B BK/WH 1851 Ground
C-D - - Not Used
E BN/WH 230 Instrument Panel Lamps Dimming Control
F PU/WH 1382 LED Dimming Signal
Rear Parking Assist (RPA) Display

GM130635Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12045813
  • 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 Object Sensor Control Module

GM599191Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12124957
  • 26-Way F Amp MODU (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 1250 Ground (Escalade EXT)
BK 1450 Ground (Except Escalade EXT)
13 PK 739 Ignition 1 Voltage
14 GY 2555 Rear Parking Assist Disable Input
15 L-GN 24 Backup Lamp Supply Voltage
16 L-GN 2525 Rear Parking Assist Diagnostic Connector Signal
17 - - Not Used
18 D-GN/WH 817 Vehicle Speed Signal
19-21 - - Not Used
22 L-BU 2380 Rear Parking Assist Chime Signal
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
Factory Service Tools

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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.

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