Body Control Module (BCM) X7

2010 Buick Lucerne CXL, 3.9 1SECTION Body Control Module (BCM) X7
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) X7 Connector End View
GM1664505Courtesy of GENERAL MOTORS COMPANY
Body Control Module (BCM) X7

Pin Wire Circuit Function
1 - - Not Used
2 0.35 TN/WH 56 Trunk Release Relay Control
3-6 - - Not Used
7 0.35 D-BU/BK 6692 Door Lock Motor Lock Control
8 - - Not Used
9 0.35 L-BU/WH 6693 Door Lock Motor Unlock Control
10-21 - - Not Used
22 0.35 D-GN 5060 Low Speed GMLAN Serial Data
23-24 - - Not Used
25 0.35 PU/WH 1382 LED Dimming Signal
26-27 - - Not Used
28 0.35 D-BU 1393 Courtesy Lamp Relay Coil Control
Connector Part Information
  • Harness Type: BCM Jumper
  • OEM Connector: HITPB-28-G-H
  • Service Connector: 88988806
  • Description: 28-Way F HIT Series (GY)
Terminal Part Information
  • 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
RENDER: 1.0x

NO RELATED

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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.