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 details
| NHTSA campaign | 21V-579 (21V579000) |
|---|---|
| Manufacturer number | N212340970 |
| Manufacturer | General Motors, LLC |
| Component | Service brakes, hydraulic › Power assist › Electric › Control module › Software |
| Report date | July 29, 2021 |
| Owners notified | August 27, 2021 |
| Vehicles affected | 2 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the brakes
Frequently asked questions
Is the recall 21V-579 repair free?
Yes. Chevrolet dealers will fix the problem at no cost: 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.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 2 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.