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 Telematics Communication Interface Control Module X1
2025 Chevrolet Equinox RS, 4WDSECTION K73 Telematics Communication Interface Control Module X1
WARNING: This page is about a different car, the 2024 GMC Terrain and 2024 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
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 | 0.35 | RD / GY | 2140 | Battery Positive Voltage | II | UE1 |
| 2 - 3 | - | - | - | Not Occupied | - | - |
| 4 | 0.5 | BK | 1750 | Ground | II | UE1 |
| 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.35 | GN / BK | 2515 | Telematics Switch Supply Voltage | II | UE1 |
| 7 - 8 | - | - | - | Not Occupied | - | - |
| 9 | 0.35 | WH / GN | 1305 | High Speed GM LAN Serial Data [-] 9 | I | UE1 |
| 10 | 0.35 | BU / GN | 1304 | High Speed GM LAN Serial Data [+] 9 | I | UE1 |
| 11 | 0.35 | GN / WH | 2514 | Telematics Switch Signal | I | UE1 |
| 12 | 0.35 | WH / BU | 5986 | Serial Data Communication Enable | I | UE1 |
| 13 | 0.35 0.35 |
BARE BARE |
1792 1792 |
Low Reference Low Reference |
I I |
(IOS/IOU)+(UE1) IOR+UE1 |
| 14 | 0.35 0.35 |
BK / GY BK / GY |
5152 5152 |
Voice Recognition Audio [-] Control Voice Recognition Audio [-] Control |
I I |
(IOS/IOU)+(UE1) IOR+UE1 |
| 15 | 0.35 0.35 |
GY / YE GY / YE |
5149 5149 |
Voice Recognition Audio Signal Voice Recognition Audio Signal |
I I |
(IOS/IOU)+(UE1) IOR+UE1 |
| 16 | 0.35 0.35 |
WH / GN WH / GN |
1305 1305 |
High Speed GM LAN Serial Data [-] 9 High Speed GM LAN Serial Data [-] 9 |
I I |
(IOS/IOU)+(UE1) IOR+UE1 |
| 17 | 0.35 0.35 |
BU / GN BU / GN |
1304 1304 |
High Speed GM LAN Serial Data [+] 9 High Speed GM LAN Serial Data [+] 9 |
I I |
(IOS/IOU)+(UE1) IOR+UE1 |
| 18 | - | - | - | Not Occupied | - | - |
| 19 | 0.35 | YE / VT | 2516 | Telematics Switch Green LED Indicator Control | I | UE1 |
| 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.35 | BK / BN | 654 | Cellular Telephone Microphone Low Reference | I | UE1 |
| 22 | 0.35 | BU | 655 | Cellular Telephone Microphone Signal | I | UE1 |
| 23 | 0.35 | GY / GN | 1102 | Low Speed GM LAN Serial Data 2 | I | UE1 |
| 24 - 25 | - | - | - | Not Occupied | - | - |
| 26 | 0.35 | BN / WH | 2517 | Telematics Switch Red LED Indicator Control | I | UE1 |
| 27 | - | - | - | Not Occupied | - | - |
| 28 | 0.35 0.35 |
GY / WH GY / WH |
7211 7211 |
Ethernet Bus 4 [+] Ethernet Bus 4 [+] |
I I |
(IOU/IOS)+UE1 IOR+UE1 |
| 29 | 0.35 0.35 |
GY GY |
7210 7210 |
Ethernet Bus 4 [-] Ethernet Bus 4 [-] |
I I |
(IOU/IOS)+UE1 IOR+UE1 |
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.