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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.

When the ignition is turned On, the control module receives the vehicle identification number (VIN) from the K9 Body Control Module.

The control module will compare the VIN received to the VIN stored in memory.

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