2022–2024 Mack Granite (GR) Recall: Air tanks have an insufficient volume of air for the brake system
NHTSA campaign 24V122000 · Service Brakes, Air · filed Feb 19, 2024 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling certain 2022-2024 Granite vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
The risk
Insufficient air volume can reduce braking performance and increase the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will add additional air tank volume, free of charge. Owner notification letters were mailed March 14, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0458.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Granite (GR) | 2022, 2023, 2024 |
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Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 24V122000 (manufacturer number SC0458). Data last verified Jul 30, 2026.