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.
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HOMESERVICE MANUALSGMC2024SIERRA 2500 HD DENALI ULTIMATEREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (G34 - K20)COMPONENT CONNECTOR END VIEWSK9 BODY CONTROL MODULE X3
2024 GMC Sierra 2500 HD Denali Ultimate
K9 Body Control Module X3
2024 GMC Sierra 2500 HD Denali UltimateSECTION K9 Body Control Module X3
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 19370262 | EL-35616-58 (BK) | EL-38125-58 |
| II | 84729890 | J-35616-12 (BU) | J-38125-215A |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 - 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.35 | GN / VT | 4786 | Dome/Reading Lamp Enable Signal | II | - |
| 4 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.35 | WH / BN | 7555 | Headlamp Switch Signal | I | - |
| 8 - 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.35 | GN / BK | 2858 | Body Control Module LIN Bus 12 | I | - |
| 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.35 | YE / WH | 816 | Brake Transmission Shift Interlock Solenoid Actuator Control | I | - |
| 13 | 0.35 | WH | 3152 | Lane Departure Warning Indicator Control | I | - |
| 14 | 0.35 | GN / BN | 5852 | Rear Parking Assist Disable LED Signal | I | - |
| 15 | - | - | - | Not Occupied | - | - |
| 16 | 0.35 | GN / BU | 761 | Blower Speed Feedback Signal | I | - |
| 17 | 0.35 | WH / VT | 5905 | Key Capture/Column Lock Shift Position Signal | I | - |
| 18 | 0.35 | YE | 7556 | Headlamp Switch Reference | I | - |
| 19 | 0.35 | BU / BK | 5719 | Ignition Mode Switch Start LED Signal | I | - |
| 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.35 | BN | 7291 | Major Endgate Release Switch Signal Interior | I | - |
| 22 - 23 | - | - | - | Not Occupied | - | - |
| 24 | 0.35 | WH / BU | 3691 | Trailer Brake Apply Signal | I | - |
| 25 | 0.35 | BU / GY | 4990 | Driver Mode 1 Switch Signal | I | - |
| 26 | 0.35 | GY / BN | 3904 | Auto High Beam Assist Switch Signal | I | - |
| 27 | 0.35 | GY / WH | 3153 | Lane Departure Warning Disable Switch Signal | I | - |
| 28 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.35 | BU / YE | 6844 | ABS/Traction Control Hill Descent Control Switch Signal | I | - |
| 31 | 0.35 | GY / GN | 2555 | Rear Parking Assist Disable Signal | I | - |
| 32 | - | - | - | Not Occupied | - | - |
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.