Recall 21V233000
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."
Safety Consequence
A vehicle that drifts out of its lane increases the risk of a crash.
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.
Affected Vehicles
| Year | Make | Model |
|---|---|---|
| 2018 | MACK | ANTHEM (AN) |
| 2018 | MACK | GRANITE (GR) |
| 2018 | MACK | GRANITE (GU) |
| 2018 | MACK | PINNACLE (CHU) |
| 2018 | MACK | PINNACLE (CXU) |
| 2018 | MACK | PINNACLE (PI/PN) |
| 2019 | MACK | ANTHEM (AN) |
| 2019 | MACK | GRANITE (GR) |
| 2019 | MACK | GRANITE (GU) |
| 2019 | MACK | PINNACLE (CHU) |
| 2019 | MACK | PINNACLE (CXU) |
| 2019 | MACK | PINNACLE (PI/PN) |
| 2020 | MACK | ANTHEM (AN) |
| 2020 | MACK | GRANITE (GR) |
| 2020 | MACK | GRANITE (GU) |
| 2020 | MACK | PINNACLE (CHU) |
| 2020 | MACK | PINNACLE (CXU) |
| 2020 | MACK | PINNACLE (PI/PN) |
| 2021 | MACK | ANTHEM (AN) |
| 2021 | MACK | GRANITE (GR) |
| 2021 | MACK | GRANITE (GU) |
| 2021 | MACK | PINNACLE (CHU) |
| 2021 | MACK | PINNACLE (CXU) |
| 2021 | MACK | PINNACLE (PI/PN) |
| 2022 | MACK | ANTHEM (AN) |
| 2022 | MACK | GRANITE (GR) |
| 2022 | MACK | GRANITE (GU) |
| 2022 | MACK | PINNACLE (CHU) |
| 2022 | MACK | PINNACLE (CXU) |
| 2022 | MACK | PINNACLE (PI/PN) |
Check your vehicle: Visit NHTSA.gov and enter your VIN to see if your specific vehicle is affected.