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 MANUALSCHEVROLET2018TAHOE FL, 4WD, GASREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASDRIVER ASSISTANCE SYSTEMSDIAGNOSTIC INFORMATION AND PROCEDURESLANE KEEP ASSIST SYSTEM MALFUNCTIONCIRCUIT/SYSTEM DESCRIPTION
2018 Chevrolet Tahoe FL, 4WD, Gas
Circuit/System Description
2018 Chevrolet Tahoe FL, 4WD, GasSECTION Circuit/System Description
| Component | Description |
|---|---|
| S70L Steering Wheel Controls Switch - Left | The assembly contains individual switches. Each function has its own switch. The switches are connected to a resistor ladder so that a specific resistance is generated for each switch. |
| K109 Frontview Camera Module | The video camera and the control module are a single serviceable component. This camera delivers live video of what is in front of the vehicle. The video can be used for several functions, like lane departure warning, lane keep assist, road sign recognition and more. The control module also reads various switches and sensors and makes their values available via serial data. |
| K9 Body Control Module | Depending on the version, the control module can support different functions:
The control module also reads various switches and sensors and makes their values available via serial data. |
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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.