Dealer service technicians may have calibrated the brake system incorrectly, affecting Electronic Stability Control (ESC) , traction control, Anti-Lock Brake System (ABS), and braking while towing a trailer.
This may compromise overall braking performance, increasing the risk of a crash.
What to do
Dealers will recalibrate the brake system control module free of charge.
Owner notification letters are expected to be mailed September 13, 2021.
Owners may contact Chevrolet customer service at (800) 222-1202 and GMC customer service at (800) 462-8782. GM's number for this recall is N212340970.