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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2020TAHOE LS, RWD, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K56 - M5)COMPONENT CONNECTOR END VIEWSK188 HUMAN MACHINE INTERFACE CONTROL MODULE BYPASS MODULE X1
2020 Chevrolet Tahoe LS, RWD, Gas/Ethanol
K188 Human Machine Interface Control Module Bypass Module X1
2020 Chevrolet Tahoe LS, RWD, Gas/EthanolSECTION K188 Human Machine Interface Control Module Bypass 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 | 19333221 | EL-35616-58 (BK) | EL-38125-58 | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | RD/GY | 2840 | Secondary Fused Battery Positive Voltage 28 | I | - |
| 2 | 0.35 | GY/VT | 755 | Retained Accessory Power Relay Coil Control | I | - |
| 3 | 0.35 | GN/WH | 7527 | Human Machine Interface Control Module LIN Bus 1 | I | - |
| 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.35 | BK | 2550 | Ground 25 | I | - |
| 6 | 0.35 | GY/YE | 6972 | Rearview Camera Signal [+] | I | - |
| 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.35 | GY/YE | 6972 | Rearview Camera Signal [+] | I | - |
| 9 | 0.35 | GN/WH | 24 | Backup Lamp Control | I | - |
| 10 - 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.35 | WH/BU | 6973 | Rearview Camera Signal [-] | I | - |
| 19 | 0.35 | BU/YE | 6974 | Rearview Camera Low Reference | I | - |
| 20 | 0.35 | WH/BU | 6973 | Rearview Camera Signal [-] | 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.