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HOMESERVICE MANUALSCHEVROLET2013SILVERADO 2500 HD LT, 2D CAB CHASSIS, 6.6L ENG VIN 8, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 1-2 SHIFT SOLENOID TO DRIVE MOTOR GENERATOR BATTERY MODULE (X3)COMPONENT CONNECTOR END VIEWSBODY CONTROL MODULE (BCM) X2
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD

Body Control Module (BCM) X2

2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Body Control Module (BCM) X2
GM1664496
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 15482790
  • Service Connector: 88988839
  • Description: 25-Way F HIT Series (NA)
Terminal Part Information
  • Pins: 1-3, 5
  • Terminated Lead: 13327199
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: SNAC-A061T-M2.8/20
  • Core/Insulation Crimp: E/A
  • Pins: 8, 11-12, 17-18, 21-22, 25
  • 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
Body Control Module (BCM) X2

Pin Wire Circuit Function
1 0.5 OG 6815 Inadvertent Power Supply Voltage
2 0.5 RD/WH 2540 Battery Positive Voltage
3 0.5 BN/WH 230 Instrument Panel Lamps Dimming Control
4 - - Not Used
5 0.5 GY 157 Courtesy Lamp Control
6-7 - - Not Used
8 0.35 L-BU 13 Headlamp Switch Park Lamps Signal
9-10 - - Not Used
11 0.35 WH 278 Ambient Light Sensor Signal
12 0.35 WH 103 Headlamp Switch Headlamps On Signal
13-16 - - Not Used
17 0.35 D-GN 306 Headlamp Switch Headlamps Off Signal
18 0.35 D-BU/WH 149 Courtesy Lamp Supply Voltage
19-20 - - Not Used
21 0.35 L-BU 1788 Traction Control Switch Signal (JL4)
22 0.35 YE 43 Accessory Voltage (except MEX)
23-24 - - Not Used
25 0.35 PU 328 Interior Lamp Defeat Switch Signal
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.