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 MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K20 - K85)COMPONENT CONNECTOR END VIEWSK73 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE X1
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas
K73 Telematics Communication Interface Control Module X1
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION K73 Telematics Communication Interface Control Module X1
Connector Part Information
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Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575546 | J-35616-16 (LT GN) | J-38125-559 | 15445905 | Delphi 23 | J | J |
| II | 13575548 | J-35616-16 (LT GN) | J-38125-559 | 15445905 | Delphi 23 | J | J |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | GY/GN | 1102 | Low Speed GMLAN Serial Data #2 | II | - |
| 2 | 0.35 | BN/WH | 2517 | Keypad Red LED Control | I | - |
| 3 | 0.35 | YE/VT | 2516 | Keypad Green LED Control | I | - |
| 4 - 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.35 | GN/BK | 2515 | Keypad Control | I | - |
| 7 | 0.35 | BK | 2550 | Ground | I | - |
| 8 - 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.35 | BU/GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 11 | 0.35 | GN/WH | 2514 | Keypad Signal | I | - |
| 12 | 0.35 | WH/GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 13 - 14 | - | - | - | Not Occupied | - | - |
| 15 | 0.35 | RD/BU | 3240 | Battery Positive Voltage | I | - |
| 16 | - | - | - | 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.