Use cautionVehicle recall · NHTSA · Published September 24, 2020
Buick Encore GX 2020: Brake Boost System Failure Risk
GM recalls 2020 Buick Encore GX vehicles with potential brake boost system failure causing increased pedal force and crash risk. Owners must contact GM for free replacement of electronic brake boost module.
If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.
GM is recalling certain 2020 Buick Encore GX vehicles due to a risk that brake boost system failure could require extra pedal force to stop the vehicle, increasing crash risk. Owners must get the electronic brake boost module replaced at no cost. Read more at govinfonow.com/recall/79283-buick-encore-gx-2020-brake-boost-system-failure-risk.
“Buick Encore GX 2020: Brake Boost System Failure Risk.” GovInfoNow, updated August 18, 2026. https://govinfonow.com/recall/79283-buick-encore-gx-2020-brake-boost-system-failure-risk. Based on NHTSA recall #20V588000 (https://www.nhtsa.gov/recalls?nhtsaId=20V588000).
The National Highway Traffic Safety Administration announced on September 24, 2020, that General Motors LLC is recalling certain 2020-2021 Buick Encore GX vehicles due to a potential brake system failure. The hazard involves the loss of electronic brake boost assist, which increases stopping distance and crash risk.
How to tell if you have it
Buick Encore GX, 2020-2021
What to do
GM will notify owners, and dealers will replace the electronic brake boost module free of charge. The recall began December 9, 2020. Owners may contact Buick customer service at 1-800-521-7300.
The hazard
Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system. If this occurs, the electronic brake boost assist could be lost, requiring extra pedal force to slow and stop the vehicle and increasing the risk of a crash.
Context
GovInfoNow's records show General Motors LLC has 414 other recalls on file since February 11, 2011. Recent GM recalls include a Chevrolet Silverado power train issue reported on October 23, 2026, and a Cadillac Lyriq rearview camera malfunction also dated October 23, 2026. Other recent recalls of similar products include BMW 2024-2025 I5 Vehicles: Brake System Recall - Risk of Crash (July 1, 2026), Chrysler Pacifica 2025: Electronic Stability Control Risk - Recall (September 1, 2026), and Mack Pioneer and Anthem Recall: Brake System Failure Risk (April 23, 2026).
How to tell if you have this one
Check if your 2020 Buick Encore GX has a sensor connection issue in the electronic brake boost system. The recall began December 9, 2020, and affects specific model years.
Brand
Buick
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact GM Customer Service
Call GM customer service at 1-800-521-7300 to schedule a free brake boost module replacement.
Get Free Brake Boost Module Replacement
Dealers will replace the electronic brake boost module at no cost to fix the sensor communication issue.
Official remedy
What NHTSA says to do
GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.
How this recall unfolded
Recall timeline
2 dated steps over 2 months.
1NHTSA received the defect report
2Recall began
Dates from the agency record only; steps without a date are left out.
Take action
Contact Buick
We’ve drafted a message you can send Buick to request your refund or repair — edit it as you like.
Subject: Recall 20V588000 — Buick Encore GX 2020: Brake Boost System Failure Risk
Hello,
I own a Buick Encore GX 2020: Brake Boost System Failure Risk that is covered by recall 20V588000 from Buick.
The official recall notice states: GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.
I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?
Thank you.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Plain-language summary written by qwen3:4b on August 18, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.