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This is a historical safety record. The campaign may no longer be active.

NHTSA : 21V233000

Campaign Details

Component: ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE

Defect Description

Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles."

Consequence / Hazard

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

Proposed Solution

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.

🚗 Affected Vehicles30

All the models below were recalled for this exact same problem.