Delay returning to engine idle/fmvss 124
Defect Summary
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."
Safety Consequence
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
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.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving N/A.
FAQ: Recall 23V792000
Your rights, the repair process, and what each field on this page means.
What is recall 23V792000?
NHTSA recall 23V792000 was issued by Mack Trucks, Inc. on November 22, 2023. It addresses: Delay returning to engine idle/fmvss 124. The recall affects approximately 650 vehicles, with the defect involving the N/A component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 23V792000 or the manufacturer campaign number SC0455. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.