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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 142 (ENGINE CONTROLS AND FUEL - 6.0L (L96) - SCHEMATIC WIRING DIAGRAMS)
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
Section 142 (Engine Controls And Fuel - 6.0L (L96) - Schematic Wiring Diagrams)
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Section 142 (Engine Controls And Fuel - 6.0L (L96) - Schematic Wiring Diagrams)
WARNING: This page is about a different car, the 2019 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic Wiring Diagrams
- Engine Controls Wiring Schematics
- Power, Ground, Serial Data, and MIL
- 5V1, 5V3, 5V4, and Low Reference Bus (1 of 2)
- 5V2 and Low Reference Bus (2 of 2)
- Engine Data Sensors - Pressure and Temperature
- Engine Data Sensors - Heated Oxygen Sensors
- Engine Data Sensors - Throttle Controls and Override
- Ignition Controls - Ignition System Coils 1, 3, 5, and 7 (L96)
- Ignition Controls - Ignition System Coils 2, 4, 6, and 8 (L96)
- Ignition Controls - Sensors
- Fuel Controls - Fuel Pump
- Fuel Controls - Fuel Injectors
- Fuel Controls - EVAP Controls
- Controlled/Monitored Subsystem References
- Engine Controls Wiring Schematics
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.