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June 30, 2022 NHTSA CAMPAIGN NUMBER: 22V465000
Loss of Power Brake Assist/FMVSS 135
A loss of power brake assist can extend the distance required to stop the vehicle, increasing the risk of a crash.
NHTSA Campaign Number: 22V465
Manufacturer General Motors, LLC
Components SERVICE BRAKES, HYDRAULIC
Potential Number of Units Affected 23,734
Summary
General Motors, LLC (GM) is recalling certain 2018-2020 Buick Regal vehicles. In the event of a vacuum-power brake assist failure, a software error in the electronic brake control module (EBCM) may result in a loss of power brake assist. As such, these vehicles fail to conform to Federal Motor Vehicle Safety Standard No. 135, “Light vehicle brake systems.”
Remedy
Dealers will update the EBCM software, free of charge. Owner notification letters are expected to be mailed August 15, 2022. Owners may contact Buick’s customer service at 1-800-521-7300.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.