Body Control Module (BCM) X6

2010 Buick Lucerne CXL, 3.9 1SECTION Body Control Module (BCM) X6
WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) X6 Connector End View
GM1664502Courtesy of GENERAL MOTORS COMPANY
Body Control Module (BCM) X6

Pin Wire Circuit Function
1 0.8 GY/BK 690 Courtesy Lamp Control
2 0.8 L-GN 24 Backup Lamp Supply Voltage
3 0.8 GY 8 Instrument Panel Lamp Supply Voltage
4-7 - - Not Used
8 0.35 L-GN/BK 5926 Rear Access Open Switch Signal
9-11 - - Not Used
12 0.35 OG/GY 744 Trunk Ajar Switch Signal
13 - - Not Used
14 0.35 L-GN/BK 748 Right Rear Door Ajar Switch Signal
15 0.35 BK 747 Left Rear Door Ajar Switch Signal
16 0.35 D-BU/WH 1179 Left Rear Door Open Switch Signal
17-20 - - Not Used
21 0.35 YE 1491 Backlight Lamp Control
22 0.5 PU 5357 Right Tail Lamp Outage Detection Signal
23-25 - - Not Used
Connector Part Information
  • Harness Type: BCM Jumper
  • OEM Connector: HITPB-25-F-PK
  • Service Connector: 88988842
  • Description: 25-Way F HIT Series (PK)
Terminal Part Information
  • Pins:1-3
  • 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
  • Pins: 12, 14-16, 21
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/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.

When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.