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 MANUALSCHEVROLET2025TAHOE COMMERCIAL, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (B233RR-E42L)COMPONENT CONNECTOR END VIEWSB355HRF COMMUNICATION INTERFACE MODULE HEADLINER MICROPHONE - RIGHT FRONT
2025 Chevrolet Tahoe Commercial, 4WD
B355HRF Communication Interface Module Headliner Microphone - Right Front
2025 Chevrolet Tahoe Commercial, 4WDSECTION B355HRF Communication Interface Module Headliner Microphone - Right Front
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | Service by Cable | EL-35616-58 (BK) | EL-38125-58 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | BU | 8579 | Automotive Audio Bus A2B Serial Data 1 [-] | I | - |
| 2 | 0.35 | GN | 8580 | Automotive Audio Bus A2B Serial Data 1 [+] | I | - |
| 3 | 0.35 | GN | 8580 | Automotive Audio Bus A2B Serial Data 1 [+] | I | - |
| 4 | 0.35 | BU | 8579 | Automotive Audio Bus A2B Serial Data 1 [-] | 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.