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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3 (COMPONENT CONNECTOR END VIEWS - K20 X3 LGZ TO K109)COMPONENT CONNECTOR END VIEWSK33 HVAC CONTROL MODULE X3
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
K33 HVAC Control Module X3
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K33 HVAC Control Module X3
WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | J-35616-64B (LT BU) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 22 | BN | 516 | Upper Left Air Temperature Sensor Signal | I | - |
| 2 | 22 | YE | 3165 | Mode Door Stepper Motor Control 1 | I | - |
| 3 | 22 | WH/RD | 3166 | Mode Door Stepper Motor Control 2 | I | - |
| 4 | 22 | GY/BN | 3167 | Mode Door Stepper Motor Control 3 | I | - |
| 5 | 22 | GN/WH | 3168 | Mode Door Stepper Motor Control 4 | I | - |
| 6 - 8 | - | - | - | Not Occupied | - | - |
| 9 | 22 | BK/YE | 407 | Sensor Low Reference | I | - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | 22 | GN | 3169 | Temp Door Stepper Motor Control 1 | I | - |
| 12 | 22 | WH/PK | 3170 | Temp Door Stepper Motor Control 2 | I | - |
| 13 | 22 | GY/RD | 3171 | Temp Door Stepper Motor Control 3 | I | - |
| 14 | 22 | RD/BK | 3172 | Temp Door Stepper Motor Control 4 | I | - |
| 15 | 22 | BK | 7572 | HVAC Motor Control | I | - |
| 16 | 22 | GY | 3173 | Air Inlet Door Stepper Motor Control 1 | I | - |
| 17 | 22 | BU/WH | 3174 | Air Inlet Door Stepper Motor Control 2 | I | - |
| 18 | 22 | BN/GN | 3175 | Air Inlet Door Stepper Motor Control 3 | I | - |
| 19 | 22 | RD/GN | 3176 | Air Inlet Door Stepper Motor Control 4 | I | - |
| 20 | 22 | GY | 6137 | EVAP Core Temperature Sensor Signal | 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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.