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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (Q17C TO S79D)COMPONENT CONNECTOR END VIEWSQ38 THROTTLE BODY (L96)
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
Q38 Throttle Body (L96)
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Q38 Throttle Body (L96)
Connector Part Information
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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-35616-16 (LT GN) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | YE | 581 | Throttle Actuator Control Open | I | - |
| 2 | 0.5 | BN/WH | 582 | Throttle Actuator Control Close | I | - |
| 3 | 0.5 | BU/WH | 3630 | Throttle Position Sensor (SENT1) Signal | I | - |
| 4 | 0.5 | BK/BN | 2752 | Throttle Position Sensor Low Reference | I | - |
| 5 | 0.5 | BN/YE | 2701 | Throttle Position Sensor 5V Reference | I | - |
| 6 | - | - | - | Not Occupied | - | - |
RENDER: 1.0x
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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.