Mack Trucks (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.”
Mack Trucks – Delay Returning to Engine Idle/FMVSS 124
| Report Received Date | 11/22/2023 |
| NHTSA ID | 23V792000 |
| Consequence Summary | An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash. |
| Corrective Action | The remedy is currently under development. Owner notification letters are expected to be mailed January 21, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0455. |
| Recall Code | SC0455 |
| Potentially Affected | 851 |
| Fire Risk When Parked | No |
| Do Not Drive | No |
| Recall Link | Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=23V792000) |
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