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Home >> Chevrolet >> 2021 >> Traverse Premier, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance Systems >> Diagnostic Information and Procedures >> DTC B0987 >> Circuit/System Description
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Circuit/System Description

For an overview of the component/system, refer to: Lane Keep Assist Description and Operation 

Component Description
B174W Frontview Camera - Windshield
  • 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.
S126 Drive Mode Select Switch The switch has a normally open contact.
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