Recall campaign · NHTSA 21V233000

Electronic stability control (ESC): control module: software

Mack Trucks, Inc. filed this campaign with NHTSA on 2021-04-01.

Recall campaignNHTSA 21V233000

Electronic stability control (ESC): control module: software

Component
Electronic stability control (ESC): control module: software
Manufacturer
Mack Trucks, Inc.
Vehicles affected
557
Reported to NHTSA
2021-04-01
Owners notified
2021-04-21

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."

Safety risk

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

Manufacturer remedy

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.

Scope of coverage

30 model years across 6 models.

ModelYears on record
MACK Anthem (AN)2022 2021 2020 2019 2018
MACK Granite (GR)2022 2021 2020 2019 2018
MACK Granite (GU)2022 2021 2020 2019 2018
MACK Pinnacle (CHU)2022 2021 2020 2019 2018
MACK Pinnacle (CXU)2022 2021 2020 2019 2018
MACK Pinnacle (PI/PN)2022 2021 2020 2019 2018

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.