Component
SERVICE BRAKES
Manufacturer
General Motors LLC
What Happened
There's a problem with the connection between the sensor and the brake boost system in your vehicle, which could cause your brakes to malfunction.
Risk if Unfixed
If this happens, you'll need to press the brake pedal harder to slow down or stop, which could lead to a crash.
Free Fix
We'll replace the electronic brake boost module at no cost to you, and we'll notify you when it's time to schedule the repair.
Show original NHTSA language
Original — What Happened
General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.
Original — Risk if Unfixed
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.
Original — Remedy
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.
View full recall details →
Repairs are free at any authorized dealer. Find a dealer →