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 (K56-K164)COMPONENT CONNECTOR END VIEWSK68 TRAILER LAMP CONTROL MODULE (UET)
2025 Chevrolet Tahoe Commercial, 4WD
K68 Trailer Lamp Control Module (UET)
2025 Chevrolet Tahoe Commercial, 4WDSECTION K68 Trailer Lamp Control Module (UET)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 19368624 | J-35616-35 (VT) | J-38125-557 |
| II | 19369235 | J-35616-14 (GN) | EL-38125-560A |
| III | 85158596 | J-35616-40 (BU) | J-38125-556 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 3 | RD / VT | 5640 | Battery Positive Voltage | III | - |
| 2 | 0.75 | BU / WH | 5186 | Left Trailer Turn Signal Lamp Control | II | - |
| 3 | 0.75 | YE / GY | 5187 | Right Trailer Turn Signal Lamp Control | II | - |
| 4 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.75 | GN / WH | 5189 | Trailer Backup Lamp Control | II | - |
| 8 - 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.75 | VT / BK | 339 | Run/Crank Ignition 1 Voltage | II | - |
| 11 | 0.75 | BN / YE | 820 | Center High Mounted Stop Lamp Supply Voltage | II | - |
| 12 | - | - | - | Not Occupied | - | - |
| 13 | 2.5 | BK | 2050 | Ground | III | - |
| 14 - 24 | - | - | - | Not Occupied | - | - |
| 25 | 0.75 | BN / GY | 5184 | Left Trailer Park Lamp Control | I | - |
| 26 | - | - | - | Not Occupied | - | - |
| 27 | 0.5 | BU / VT | 4101 | AUTOSAR CAN Bus [+] 4 Serial Data | II | - |
| 28 | 0.5 | WH / GN | 4100 | AUTOSAR CAN Bus [-] 4 Serial Data | II | - |
| 29 | 0.5 | BU / VT | 4101 | AUTOSAR CAN Bus [+] 4 Serial Data | II | - |
| 30 | 0.5 | WH | 4100 | AUTOSAR CAN Bus [-] 4 Serial Data | II | - |
| 31 - 37 | - | - | - | Not Occupied | - | - |
| 38 | 2 | RD / YE | 5840 | Battery Positive Voltage | 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.