Effective immediately, stop the delivery of certain 2020-2021 model year Buick Encore GX, 2020 model year Cadillac CT4, CT5, XT4, Chevrolet Corvette, and 2021 model year Chevrolet Trailblazer vehicles in new or used vehicle inventory. General Motors has notified the National Highway Traffic Safety Administration (NHTSA) about an upcoming safety recall that involves these vehicles. The GM recall number is A202307260.
Further information was also sent to GM dealerships with an FAQ to use to guide customers to see if their vehicle is affected. The pertinent section of the FAQ are Q2 through Q4, which read as follows:
Q2) What is the issue or condition?
A2) … Material used in a sensor connection in the electronic brake boost system in these vehicles may have been contaminated during the material supplier’s production process. Contamination of this material may cause and interruption of communication between the sensor and the brake boost system under certain conditions.
Q3) What symptoms may be experienced? What warning signs may be associated with the issue or condition described?
A2) If electronic brake boost assist is lost, a warning light and message may appear in the instrument panel and vehicle speed may be limited.
Q4) What is the remedy/repair?
A4) Dealers will replace the electronic brake boost module.
The seriousness of this issue is what drove GM to issue the order, and we agree at CorvSport.com that if you have any concerns or further questions, please contact your dealership.