The defect
Mack Trucks, Inc. (Mack) is recalling certain 2023-2024 GR, AN, LR, and Terrapro vehicles. The engine may not return to idle within 2 seconds if the accelerator pedal position sensor becomes disconnected. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 124, "Accelerator Control Systems."
The risk
An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
The remedy
Mack will replace the throttle pedal and update the vehicle software, free of charge. Owner letters were mailed February 27, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0455.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Mack Anthem (an) | 2023, 2024 |
| Mack Granite (gr) | 2023, 2024 |
| Mack LR | 2023, 2024 |
| Mack Terrapro (te) | 2023, 2024 |
Components: VEHICLE SPEED CONTROL
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Mack Anthem (an) | 2023 | 0 | 3 |
| Mack Anthem (an) | 2024 | 5 | 6 |
| Mack Granite (gr) | 2023 | 2 | 8 |
| Mack Granite (gr) | 2024 | 0 | 10 |
| Mack LR | 2023 | 0 | 2 |
| Mack LR | 2024 | 0 | 6 |
| Mack Terrapro (te) | 2023 | 0 | 4 |
| Mack Terrapro (te) | 2024 | 0 | 7 |
Other vehicle speed control recalls in 2023
8 of the 894 recall campaigns reported to NHTSA in 2023 concerned the vehicle speed control; Mack Trucks, Inc. filed 118 campaigns in all.
| 23V897000 22 Dec 2023 | New Flyer of America, Inc. |
| 23V898000 22 Dec 2023 | New Flyer of America, Inc. |
| 23V883000 21 Dec 2023 | Rivian Automotive, LLC |
| 23V793000 22 Nov 2023 | Volvo Trucks North America |
| 23V589000 18 Aug 2023 | Hyundai Motor America |
| 23V494000 17 Jul 2023 | Nissan North America, Inc. |
| 23V409000 7 Jun 2023 | BMW of North America, LLC |
NHTSA recalls (public domain) · all recalls of 2023