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.
K4 Running Board Control Module X3 (B3L)
2025 Chevrolet Tahoe PPV, 4WDSECTION K4 Running Board Control Module X3 (B3L)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 85528055 | J-35616-2A (GY) | J-38125-217 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | GN / RD | 7464 | Right Running Board Step Motor Hall Sensor 5V Reference | I | - |
| 2 | 0.5 | VT | 7465 | Right Running Board Step Motor Hall Sensor Signal | I | - |
| 3 | 0.5 | YE / BK | 7463 | Right Running Board Step Motor Hall Sensor Low Reference | I | - |
| 4 | 0.5 | BN | 4748 | Left Running Board Step Courtesy Lamp Control | I | - |
| 5 | 0.5 | GY / VT | 4749 | Right Running Board Step Courtesy Lamp Control | I | - |
| 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.5 | VT / RD | 7468 | Left Running Board Step Motor Hall Sensor 5V Reference | I | - |
| 8 | 0.5 | YE | 7467 | Left Running Board Step Motor Hall Sensor Signal | I | - |
| 9 | 0.5 | YE / BN | 7466 | Left Running Board Step Motor Hall Sensor Low Reference | I | - |
| 10 - 12 | - | - | - | 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.