The defect
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 remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Buick Regal | 2018, 2019, 2020 |
Components: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE:SOFTWARE | SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Buick Regal | 2018 | 19 | 3 |
| Buick Regal | 2019 | 20 | 3 |
| Buick Regal | 2020 | 2 | 2 |
Other service brakes, hydraulic recalls in 2022
31 of the 933 recall campaigns reported to NHTSA in 2022 concerned the service brakes, hydraulic; General Motors, LLC filed 186 campaigns in all.
| 22V881000 29 Nov 2022 | Xos, Inc. |
| 22V812000 28 Oct 2022 | Corp. Micro Bird, Inc. |
| 22V810000 27 Oct 2022 | Hyundai Motor America |
| 22V800000 24 Oct 2022 | Kia America, Inc. |
| 22V759000 11 Oct 2022 | Chrysler (FCA US, LLC) |
| 22V748000 7 Oct 2022 | Newmar Corporation |
| 22V720000 27 Sept 2022 | Lightning eMotors Inc. |
| 22V718000 26 Sept 2022 | Volkswagen Group of America, Inc. |
NHTSA recalls (public domain) · all recalls of 2022