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Circuit/System Description

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Ignition - On/Vehicle - In Service Mode - B174W Frontview Camera - Windshield - Calibration Data = Invalid

The B174W Frontview Camera Module performs a self-test to verify if a critical malfunction exists within the system. During the power-up mode, the Frontview Camera Module checks for a valid calibration data set.

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