Control module: softwareRecall 21V-579 · Chevrolet and GMC vehicles
General Motors, LLC recall 21V-579 covers 2 Chevrolet and GMC vehicles for a control module: software problem, reported to NHTSA on July 29, 2021. The manufacturer's latest report (2022 Q2) shows 100% of affected vehicles repaired.
Source: NHTSA recall 21V579000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
General Motors, LLC (GM) is recalling certain 2021 Chevrolet Tahoe and GMC Yukon vehicles. 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.
The risk
Overall braking performance may be compromised, increasing the risk of a crash.
The fix
Dealers will recalibrate the brake system control module, free of charge. Owner notification letters were mailed on August 27, 2021. Owners may contact Chevrolet customer service at 1-800-222-1202; GMC customer service at 1-800-462-8782. GM's number for this recall is N212340970.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
100%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.