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.
K73 Telematic Control Module X1
2025 Chevrolet Tahoe PPV, 4WDSECTION K73 Telematic Control Module X1
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 84944580 | EL-35616-58 (BK) | EL-38125-58 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | RD / BU | 3240 | Battery Positive Voltage | I | - |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | 0.35 | GN / BK | 2515 | Telematics Switch Supply Voltage | I | - |
| 4 | 0.35 | GN / WH | 2514 | Telematics Switch Signal | I | - |
| 5 | 0.35 | YE / VT | 2516 | Telematics Switch Green LED Indicator Control | I | - |
| 6 | 0.35 | BN / WH | 2517 | Telematics Switch Red LED Indicator Control | I | - |
| 7 | 0.35 | BU / WH | 4985 | AUTOSAR CAN Bus [+] 5 Serial Data | I | - |
| 8 | 0.35 | BU / YE | 4984 | AUTOSAR CAN Bus [-] 5 Serial Data | I | - |
| 9 | 0.35 | BK / WH | 1451 | Signal Ground | I | - |
| 10 - 18 | - | - | - | Not Occupied | - | - |
| 19 | 0.35 | BU / WH | 4985 | AUTOSAR CAN Bus [+] 5 Serial Data | I | - |
| 20 | 0.35 | BU / YE | 4984 | AUTOSAR CAN Bus [-] 5 Serial Data | I | - |
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.