SYS ONLINE INGEST 3 hours ago SOURCE NHTSA · TC BUILD v0.0.29
Vehicle scope Default: all classes — narrow to retail passenger anytime
Network/ United States/ Mack/ 21V233000

Mack · United States · Mod

Mack Granite (Gr), Granite (Gu) +4 more: Electronic stability control (esc) — software

Affects Mack Granite (Gr), Granite (Gu), Pinnacle (Cxu), Pinnacle (Chu), Anthem (An), Pinnacle (Pi/Pn) · 2018–2022 — about 557 vehicles.

The hazard

A vehicle that drifts out of its lane increases the risk of a crash.

What to do

Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational