NHTSA Recall 21V579000: Software (service brakes)
General Motors, LLC reported this safety recall to NHTSA on , covering an estimated 2 vehicles. It affects 2 models including the Chevrolet Tahoe.
| NHTSA campaign | 21V579000 |
|---|---|
| Manufacturer campaign | N212340970 |
| Component | SERVICE BRAKES, HYDRAULIC › POWER ASSIST › ELECTRIC › CONTROL MODULE › SOFTWARE |
| Report received | July 29, 2021 |
| Owner notification | August 27, 2021 |
| Initiated by | Manufacturer |
Defect
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.
Safety risk
Overall braking performance may be compromised, increasing the risk of a crash.
Remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Vehicles covered by recall 21V579000
Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.