Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
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) X3
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWD
Body Control Module (BCM) X3
2013 Chevrolet Silverado 2500 HD LT, 2D Cab Chassis, 6.6L Eng VIN 8, RWDSECTION Body Control Module (BCM) X3
Connector Part Information
|
Terminal Part Information
|
Body Control Module (BCM) X3
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.8 BK/WH | 1851 | Ground (MEX) |
| 2 | 0.8 RD/WH | 2140 | Battery Positive Voltage (except HP2 or except 8S8) |
| 0.5 RD/WH | 2140 | Battery positive Voltage (HP2 or 8S8) | |
| 3 | 0.5 RD/WH | 3840 | Battery Positive Voltage |
| 4 | - | - | Not Used |
| 5 | 0.8 BK/WH | 1851 | Ground (MEX) |
| 1 BK/WH | 1851 | Ground (except MEX) | |
| 6 | - | - | Not Used |
| 7 | 0.5 GY | 728 | Security Indicator Control (SPO Alarm) |
| 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 Lamp Dimmer Switch Signal |
| 12 | 0.35 OG/WH | 812 | 12-Volt Reference |
| 13 | 0.35 L-GN | 526 | Stop Lamp Switch Signal |
| 14 | 0.35 TN | 552 | Sensor Low Reference |
| 15 | 0.35 GY | 598 | 5 Volt Reference |
| 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 Backlight Dimming Control |
| 19 | 0.35 L-BU | 5986 | Serial Data Communication Enable (except MEX) |
| 20 | - | - | Not Used |
| 21 | 0.35 OG | 192 | Front Fog Lamp Switch Signal/Fog Lamps Enable (T96) |
| 22 | 0.35 L-GN/WH | 7158 | Cruise Control Indicator Dimming Signal (except MEX) |
| 23-24 | - | - | Not Used |
| 25 | 0.35 PU/WH | 6816 | Indicator Dimming Control (except MEX) |
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:
- 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.