What the source says
The documented condition
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."
Consequence identified by NHTSA
A loss of power brake assist can extend the distance required to stop the vehicle, increasing the risk of a crash.
Campaign 22V465000; report received 2022-06-30. Source checked 2026-10-18.
Source component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
Compare the pattern
Symptoms and vehicle scope
Condition described by NHTSA
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."
Vehicles and limits
- NHTSA model names: REGAL. Model years: 2018, 2019, 2020.
- NHTSA campaign 22V465000
- The complete campaign lists 23,734 potentially affected units across all listed vehicles.
- A make, model and year match does not establish VIN eligibility.
Manufacturer position
What the official procedure directs
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.
Mileage context
Campaign 22V465000 is based on the recalled vehicle population and VIN, not a published mileage threshold. Mileage alone cannot confirm or exclude it.
Original evidence
Open the documents behind this record.
NHTSA safety recall · 22V465000 · 2022-06-30
NHTSA campaign 22V465000
Official component, defect, consequence and remedy; checked 2026-10-18.
Repair paths and safe checks
Match the action to the evidence.
Official recall 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.
Confirm VIN eligibility and current remedy instructions with the manufacturer.
Check the complete VIN
Check the 17-character VIN at NHTSA.gov/recalls and ask the manufacturer whether this campaign remains open for the vehicle.
The model-year list is not proof that an individual vehicle is affected.
Record reviewed in the source on 2026-10-18. Confirm the current document and VIN instructions before arranging work.
How we check a problem · All records for the 2018 Buick Regal