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 (I30)
2018 Buick Regal BaseSECTION K73 Telematics Communication Interface Control Module X1 (I30)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 19354361 | EL-35616-58 (BK) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| II | 19370818 | J-35616-16 (LT GN) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | RD/YE | 5040 | Battery Positive Voltage | II | I30 |
| 2 - 3 | - | - | - | Not Occupied | - | - |
| 4 | 0.35 | BK | 1750 | Ground | II | I30 |
| 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.35 | GN | 2515 | Keypad Control | II | I30 |
| 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.35 | BK | 1750 | Ground | II | I30 |
| 9 | 0.35 | WH/GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 10 | 0.35 | BU/GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 11 | 0.35 | WH | 2514 | Keypad Signal | I | - |
| 12 | 0.35 | WH/BU | 5986 | Serial Data Communication Enable | I | - |
| 13 | 0.35 | BARE | 1792 | Low Reference | I | - |
| 14 | 0.35 | BK/GY | 5152 | Voice Recognition Audio Low Reference | I | - |
| 15 | 0.35 | GY/YE | 5149 | Voice Recognition Audio Signal | I | - |
| 16 | 0.35 | WH/GN | 1305 | High Speed GMLAN Serial Data (-)9 | I | - |
| 17 | 0.35 | BU/GN | 1304 | High Speed GMLAN Serial Data (+)9 | I | - |
| 18 | - | - | - | Not Occupied | - | - |
| 19 | 0.35 | YE | 2516 | Keypad Green LED Control | I | - |
| 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.35 | BK/BN | 654 | Cellular Telephone Microphone Low Reference | I | - |
| 22 | 0.35 | BU | 655 | Cellular Telephone Microphone Signal | I | - |
| 23 | 0.35 | GY/GN | 1102 | Low Speed GMLAN Serial Data #2 | I | - |
| 24 - 25 | - | - | - | Not Occupied | - | - |
| 26 | 0.35 | BN | 2517 | Keypad Red LED Control | I | - |
| 27 | - | - | - | Not Occupied | - | - |
| 28 | 0.35 | GY/WH | 7211 | Ethernet Bus 4 (+) | I | - |
| 29 | 0.35 | GY | 7210 | Ethernet Bus 4 (-) | 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.