Mack vehicles may not stay in their lane at certain speeds.
The short version
Mack Trucks, Inc. reported a problem with the control module software. Here is what owners need to know.
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."
A vehicle that drifts out of its lane increases the risk of a crash.
Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 21V-233.
| YEAR RANGE | MODEL |
|---|---|
| 2018–2022 | Mack Anthem |
| 2018–2022 | Mack Granite |
| 2018–2022 | Mack Pinnacle |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
Not affiliated
MyAutoRecalls is not affiliated with Mack Trucks, Inc. or the National Highway Traffic Safety Administration.