Body Control Module (BCM) X3

2008 Pontiac Grand Prix BaseSECTION Body Control Module (BCM) X3
WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) X3 Connector End View
GM1664498Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: HITPB-25-C-LE
  • Service: 88988840
  • Description: 25-Way F HIT Series (L-BU)
Terminal Part Information 
  • Pins: 1-3, 5
  • Terminal/Tray: SNAC-A061T-M2.8/20
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 8-13, 16-19, 22, 25
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)
Pin Wire Circuit Function
1 0.8 BK/WH 1851 Ground
2 0.8 RD/WH 2140 Battery Positive Voltage
3 0.8 RD/WH 3840 Battery Positive Voltage
4 - - Not Used
5 0.8 BK/WH 1851 Ground
6-7 - - Not Used
8 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
9 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
10 0.35 D-GN 5060 Low Speed GMLAN Serial Data
11 0.35 D-GN 44 Instrument Panel Lamps Dimmer Switch Signal
12 0.35 OG/WH 812 12-Volt Reference
13 0.35 PU 7062 Brake Switch Signal
14-15 - - Not Used
16 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
17 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
18 0.35 YE 6817 LED Dimming Supply
19 0.5 L-BU 5986 Serial Data Communication Enable
20-21 - - Not Used
22 0.35 L-GN/WH 7158 Cruise Control Indicator Dimming Control
23-24 - - Not Used
25 0.35 PU/WH 6816 Indicator Dimming Control
RENDER: 1.0x

NO RELATED

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

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