MACK 2023 MACK ANTHEM (AN) Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2023 MACK ANTHEM (AN)
Brand
MACK
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2023
Mack Trucks, Inc. is recalling certain 2023 MACK ANTHEM (AN) vehicles due to vehicle speed control issues. An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
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."
Reported concern (NHTSA)
An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026