Recall 21V-233: 2018–2022 Mack Anthem (AN), 2018–2022 Mack Granite (GR) and 4 more
Mack Trucks, Inc. recall for electronic stability control (esc), reported to NHTSA on Apr 1, 2021, covering about 557 vehicles.
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.
Recall details
| Manufacturer | Mack Trucks, Inc. |
|---|---|
| Component | Electronic Stability Control (ESC) › Control Module › Software |
| Recall started by | the manufacturer |
| NHTSA campaign number | 21V233000 |
Vehicles in this recall
| Vehicle | Model years | |
|---|---|---|
| Mack Anthem (AN) | 2018, 2019, 2020, 2021, 2022 | All years |
| Mack Granite (GR) | 2018, 2019, 2020, 2021, 2022 | All years |
| Mack Granite (GU) | 2018, 2019, 2020, 2021, 2022 | All years |
| Mack Pinnacle (CHU) | 2018, 2019, 2020, 2021, 2022 | All years |
| Mack Pinnacle (CXU) | 2018, 2019, 2020, 2021, 2022 | All years |
| Mack Pinnacle (PI/PN) | 2018, 2019, 2020, 2021, 2022 | All years |
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 21V-233?
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."
How is recall 21V-233 fixed?
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.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.