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 (E42R-K19)COMPONENT CONNECTOR END VIEWSK9 BODY CONTROL MODULE X4
2025 Chevrolet Tahoe Commercial, 4WD
K9 Body Control Module X4
2025 Chevrolet Tahoe Commercial, 4WDSECTION K9 Body Control Module X4
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 19370262 | EL-35616-58 (BK) | EL-38125-58 |
| II | 87814662 | J-35616-35 (VT) | J-38125-557 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 | BN / BK | 3552 | Interior Passive Entry Antenna 1 High Signal | I | - |
| 2 | 0.35 | WH | 3553 | Interior Passive Entry Antenna 1 Low Signal | I | - |
| 3 | 0.35 | BK / VT | 1449 | Steering Wheel Resistor Ladder Low Reference | I | - |
| 4 | - | - | - | Not Occupied | - | - |
| 5 | 0.35 | GN / VT | 5199 | Run/Crank Relay Coil Control | I | - |
| 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.35 | BN / BK | 4996 | Immobilizer Antenna Signal [+] | I | - |
| 8 - 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.35 | GY / GN | 4083 | Retained Accessory Power Relay 2 Coil Control | I | - |
| 11 - 13 | - | - | - | Not Occupied | - | - |
| 14 | 0.35 | WH / GY | 4997 | Immobilizer Antenna Low Signal | I | - |
| 15 | 0.35 | BU / VT | 1788 | Traction Control Switch Signal 1 | I | - |
| 16 | 0.35 | GN / WH | 4115 | Body Control Module LIN Bus 5 | I | - |
| 17 - 18 | - | - | - | Not Occupied | - | - |
| 19 | 0.35 | BU / GN | 4103 | AUTOSAR CAN Bus [+] 9 Serial Data | I | - |
| 20 | 0.35 | WH / GN | 4102 | AUTOSAR CAN Bus [-] 9 Serial Data | I | - |
| 21 | - | - | - | Not Occupied | - | - |
| 22 | 0.5 | RD / WH | 2740 | Battery Positive Voltage | II | - |
| 23 | 1.5 | RD / BU | 2540 | Battery Positive Voltage | II | - |
| 24 | 2.5 | BK / WH | 1851 | Signal Ground | II | - |
| 25 | 2.5 | BK | 1850 | Ground | II | - |
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.