Vehicles Affected: Approximately 3,300 model-year 2020-21 Buick Encore GX SUVs; model-year 2020 Cadillac CT4 and CT5 sedans and XT4 SUVs; model-year 2020 Chevrolet Corvette sports cars; and model-year 2021 Chevrolet Trailblazer SUVs
The Problem: Sensor connection contamination in the electronic brake boost system may interrupt communication between the sensor and the brake boost system, which could lead to a loss of electronic brake boost assist and increase the risk of a crash.
The Fix: Dealers will replace the electronic brake boost module for free.
What Owners Should Do: Buick, Cadillac and Chevrolet manufacturer GM will begin notifying owners Nov. 9. Owners can call Buick at 800-521-7300, Cadillac at 800-333-4223, Chevrolet at 800-630-2438, the National Highway Traffic Safety Administration’s vehicle-safety hotline at 888-327-4236 or visit its website to check their vehicle identification number and learn more.
Need to Find a Dealer for Service? Go to Cars.com Service & Repair to find your local dealer. Click here to schedule a free recall repair at your local dealership.
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