Recall 21V233000: 2018–2022 Mack Anthem (an), 2018–2022 Mack Granite (gr), 2018–2022 Mack Granite (gu) +3 more

Updated from NHTSA data · How we count

Report date
Apr 1, 2021
Vehicles affected
557
Models
6
Initiated by
Manufacturer

The problem

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."

The risk

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

The fix

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.

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.safercar.gov.

Affected vehicles

Details

NHTSA campaign
21V233000
Manufacturer campaign
SC0423
Manufacturer
Mack Trucks, Inc.
Owner letters
Apr 21, 2021
Components
Electronic stability control (esc):control module:software (Driver Assistance & Safety Tech)

Recall repairs are free at authorized dealers. To see if your vehicle is included, enter your VIN at NHTSA.gov or call the manufacturer.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology