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 X1 (B3L)
2025 Chevrolet Tahoe PPV, 4WDSECTION K4 Running Board Control Module X1 (B3L)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | Not required | J-35616-35 (VT) | No Tool Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 2.5 | RD / YE | 1142 | Battery Positive Voltage | I | - |
| 2 | 2 | GY | 7472 | Left Running Board Step Motor Control Retract | I | - |
| 3 | 2 | BU | 7470 | Right Running Board Step Motor Control Extend | I | - |
| 4 | 2.5 | BK | 1650 | Ground | I | - |
| 5 | 2 | WH / BN | 7471 | Left Running Board Step Motor Control Extend | I | - |
| 6 | 2 | GN | 7469 | Right Left Running Board Step Motor Control Retract | I | - |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.