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 MANUALSCHEVROLET2020TAHOE LS, RWD, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (M6B - P50)COMPONENT CONNECTOR END VIEWSP16 INSTRUMENT CLUSTER X1 (UDC/UDD)
2020 Chevrolet Tahoe LS, RWD, Gas/Ethanol
P16 Instrument Cluster X1 (UDC/UDD)
2020 Chevrolet Tahoe LS, RWD, Gas/EthanolSECTION P16 Instrument Cluster X1 (UDC/UDD)
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 | 13575521 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| II | 13575522 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| III | 13575782 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| IV | 13575783 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | WH/GN | 3997 | MOST Bus Serial Data [-] | II | - |
| 2 | 0.5 | GY/VT | 3998 | MOST Bus Serial Data [+] | II | - |
| 3 | 0.5 | GY/GN | 1102 | Low Speed GMLAN Serial Data 2 | II | - |
| 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.35 | WH/VT | 3999 | MOST Bus Control | IV | - |
| 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.5 | RD/GY | 2840 | Secondary Fused Battery Positive Voltage 28 | III | - |
| 8 | 0.5 | VT/BK | 1639 | Run/Crank Ignition 1 Voltage 16 | II | - |
| 9 - 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.35 | GY/YE | 3885 | Forward Collision Alert LED Control | I | - |
| 13 - 15 | - | - | - | Not Occupied | - | - |
| 16 | 0.35 | BN/WH | 419 | Check Engine Indicator Control | I | - |
| 17 | 0.5 | GY/VT | 3998 | MOST Bus Serial Data [+] | II | - |
| 18 | 0.5 | WH/GN | 3997 | MOST Bus Serial Data [-] | II | - |
| 19 | 0.5 | BK/WH | 1851 | Ground 18 | II | - |
| 20 | 0.5 | GN/BK | 3894 | Instrument Cluster LIN Bus 1 | II | - |
| 21 - 23 | - | - | - | Not Occupied | - | - |
| 24 | 0.35 | VT | 185 | Low Washer Fluid Indicator Control | I | - |
| 25 | 0.35 | BK/BU | 61 | Ambient Air Temperature Sensor Low Reference | I | - |
| 26 - 29 | - | - | - | Not Occupied | - | - |
| 30 | 0.35 | WH/GN | 3535 | Reflected LED Display Dimming Control | I | - |
| 31 - 32 | - | - | - | Not Occupied | - | - |
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.