Body Control Module (BCM) X4

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Body Control Module (BCM) X4
Fig 1: Body Control Module (BCM) X4 Connector End View
GM1664499Courtesy of GENERAL MOTORS CORP.
Body Control Module (BCM) X4

Pin Wire Circuit Function
1 0.8 RD/WH 2740 Battery Positive Voltage
2 0.8 RD/WH 3040 Battery Positive Voltage
3 0.8 RD/WH 2940 Battery Positive Voltage
4 0.8 RD/WH 2240 Battery Positive Voltage
5 0.8 D-BU/WH 1315 Right Front Turn Signal Lamp Control
6 0.35 D-GN 6134 Local Interconnect Network 3
7 0.35 YE 196 Windshield Wiper Motor Park Switch Signal
8-11 - - Not Used
12 0.35 YE 5187 Right Trailer Turn Signal Lamp (UY7)
13 0.35 OG 5186 Left Trailer Turn Signal Lamp (UY7)
14 - - Not Used
15 0.35 OG 2268 Windshield Washer Relay Control
16 0.35 TN/WH 1969 Headlamp High Beam Relay Control
17-18 - - Not Used
19 0.5 D-BU 5985 Accessory Wakeup Serial Data
20 - - Not Used
21 0.35 YE 5199 Run/Crank Relay Coil Control
22 - - Not Used
23 0.35 PU 544 Headlamp Low Beam Control
24-25 - - Not Used
Connector Part Information 
  • OEM: 15482792
  • Service: See Catalog
  • Description: 25-Way F HIT Series (BK)
Terminal Part Information 
  • Pins: 6, 7, 11-13, 15-17, 19-21, 23, 24
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)
  • Pins: 1-5
  • Terminal/Tray: SNAC-A061T-M2.8/20
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
RENDER: 1.0x

NO RELATED

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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.