Control module: softwareRecall 22V-465 · 2018–2020 Buick Regal
General Motors, LLC recall 22V-465 covers 23,734 2018–2020 Buick Regal for a control module: software problem, reported to NHTSA on June 30, 2022. The manufacturer's latest report (2024 Q2) shows 78% of affected vehicles repaired.
Source: NHTSA recall 22V465000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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."
The risk
A loss of power brake assist can extend the distance required to stop the vehicle, increasing the risk of a crash.
The fix
Dealers will update the EBCM software, free of charge. Interim owner notification letters advising owners of the safety risk were mailed on August 19, 2022. Owner notification letters were mailed September 16, 2022. Owners may contact Buick's customer service at 1-800-521-7300.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
78%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 99 vehicles were listed as unreachable.