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)ELECTRICALMOTORS, SWITCHES, RELAYSCOMPONENT CONNECTOR END VIEWS (K56-K164)COMPONENT CONNECTOR END VIEWSK85P RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE - PASSENGER
2025 Chevrolet Tahoe Commercial, 4WD
K85P Restraints Occupant Classification System Module - Passenger
2025 Chevrolet Tahoe Commercial, 4WDSECTION K85P Restraints Occupant Classification System Module - Passenger
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | Not required | No Tool Required | No Tool Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | RD / GN | 4440 | Battery Positive Voltage | I | - |
| 2 | - | BU | 4987 | AUTOSAR CAN Bus [+] 1 Serial Data | I | - |
| 3 | - | BU | 4987 | AUTOSAR CAN Bus [+] 1 Serial Data | I | - |
| 4 | - | WH | 4986 | AUTOSAR CAN Bus [-] 1 Serial Data | I | - |
| 5 | - | WH | 4986 | AUTOSAR CAN Bus [-] 1 Serial Data | I | - |
| 6 | - | BK / WH | 1351 | Signal Ground | I | - |
| 7 | - | OG / BN | 3947 | Passenger Automatic Locking Retractor Switch Signal | I | - |
| 8 | - | GY / OG | 3946 | Passenger Automatic Locking Retractor Switch Low Reference | I | - |
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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.