The engine control module (ECM) was calibrated incorrectly, allowing the vehicle to exceed the tires' maximum speed rating of 75 mph.
Tire failure can occur if the vehicle speed exceeds the maximum tire speed rating, increasing the risk of a crash.
What to do
Dealers will update the ECM software free of charge.
Owner notification letters are expected to be mailed June 28, 2021.
Owners may contact Chevrolet customer service at (800) 222-1020. GM's number for this recall is N202325530.