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 (K56 - K111)COMPONENT CONNECTOR END VIEWSK69 TRANSFER CASE CONTROL MODULE (L8T)
2024 GMC Sierra 2500 HD Denali Ultimate
K69 Transfer Case Control Module (L8T)
2024 GMC Sierra 2500 HD Denali UltimateSECTION K69 Transfer Case Control Module (L8T)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 19368624 | J-35616-35 (VT) | J-38125-212 |
| II | 19369235 | J-35616-14 (GN) | EL-38125-560A |
| III | 85158596 | J-35616-40 (BU) | EL-38125-560A |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 3 | GN / RD | 6042 | Battery Positive Voltage | III | - |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.5 | BU / YE | 4979 | AUTOSAR CAN Bus [+] 2 Serial Data | II | - |
| 4 | 0.5 | WH | 4978 | AUTOSAR CAN Bus [-] 2 Serial Data | II | - |
| 5 | 0.5 | WH / GN | 7479 | Rotary Position Sensor Signal | II | - |
| 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.5 | YE | 7474 | Incremental Encoder Direction Signal | II | - |
| 8 | - | - | - | Not Occupied | - | - |
| 9 | 0.5 | YE / WH | 1695 | 4WD Locked Range Indicator Control | II | - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | 0.5 | VT / GY | 8017 | Secondary Axle Motor Relay Control | II | - |
| 12 | 0.5 | GY / BK | 1570 | Front Axle Actuator Control | II | - |
| 13 | 4 | YE / VT | 1553 | Transfer Case Motor Counter Clockwise Control | III | - |
| 14 | - | - | - | Not Occupied | - | - |
| 15 | 0.5 | BU / YE | 4979 | AUTOSAR CAN Bus [+] 2 Serial Data | II | - |
| 16 | 0.5 | WH | 4978 | AUTOSAR CAN Bus [-] 2 Serial Data | II | - |
| 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.5 | VT / GN | 439 | Run/Crank Ignition 1 Voltage | II | - |
| 19 | 0.5 | BU / GY | 7473 | Incremental Encoder Impulse Signal | II | - |
| 20 | 0.5 | WH / RD | 7477 | Gear Position Sensor 5V Reference | II | - |
| 21 - 23 | - | - | - | Not Occupied | - | - |
| 24 | 0.5 | GN | 8015 | Transfer Case Motor Low Reference | II | - |
| 25 | 2.5 | BK | 450 | Ground | I | - |
| 26 | - | - | - | Not Occupied | - | - |
| 27 | 0.5 | GN | 8014 | Transfer Case Lock Solenoid Low Reference | II | - |
| 28 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.5 | YE / BK | 7478 | Gear Position Sensor Low Reference | II | - |
| 31 | 0.5 | WH / GN | 7475 | Incremental Encoder Sensor Voltage Reference | II | - |
| 32 | - | - | - | Not Occupied | - | - |
| 33 | 0.75 | BU | 8013 | Transfer Case Lock Solenoid Control 2 | II | - |
| 34 | 0.75 | YE / BN | 1569 | Transfer Case Lock Solenoid Valve Control | II | - |
| 35 | - | - | - | Not Occupied | - | - |
| 36 | 0.5 | VT | 7476 | Incremental Encoder Sensor Low Reference | II | - |
| 37 | - | - | - | Not Occupied | - | - |
| 38 | 2.5 | YE / GY | 1552 | Transfer Case Motor Clockwise Control | I | - |
RENDER: 1.0x
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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.