Use cautionVehicle recall · NHTSA · Published December 26, 2023
Mack 2024 Anthem Steering Recall: Risk of Crash Due to Steering Control Loss
Mack is recalling 2024 Anthem trucks with faulty steering gears that may cause loss of steering control, increasing crash risk. Owners must have dealers inspect and replace defective parts free of charge.
Mack is recalling certain 2024 Anthem trucks because their steering gears might be assembled incorrectly, leading to loss of steering control and a higher risk of crashes. This affects truck owners who need to have dealers inspect and replace the faulty parts. Read more at govinfonow.com/recall/81823-mack-2024-anthem-steering-recall-risk-of-crash-due-to.
“Mack 2024 Anthem Steering Recall: Risk of Crash Due to Steering Control Loss.” GovInfoNow, updated August 19, 2026. https://govinfonow.com/recall/81823-mack-2024-anthem-steering-recall-risk-of-crash-due-to. Based on NHTSA recall #23V899000 (https://www.nhtsa.gov/recalls?nhtsaId=23V899000).
Mack Trucks, Inc. announced a December 26, 2023 recall of certain 2024 Anthem, Pinnacle, and Terrapro vehicles due to potential loss of steering control, according to the National Highway Traffic Safety Administration (NHTSA). Dealers will inspect and replace defective gears as necessary at no cost.
How to tell if you have it
Mack Anthem (AN), 2024
Mack Pinnacle (PI), 2024
Mack Terrapro (TE), 2024
What to do
Dealers will inspect and replace the defective gears as necessary, free of charge. Owner notification letters were mailed February 9, 2024. Owners may contact Mack customer service at 1-800-866-1177.
The hazard
The steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than required, which may result in a loss of steering control and increase the risk of a crash.
Context
GovInfoNow's records show Mack Trucks, Inc. has 74 other recalls on record since July 9, 2010. Other recent recalls of similar products include Mack Truck Recall: Detached Intake Bezel Crash Risk (October 1, 2026), Mack Recalls 2026-2027 Pioneer PR and Anthem AN Trucks for Brake Software Issue (September 28, 2026), and Mack 2025 TerraPro Recall: Loose Steering Gearbox Risk (August 6, 2026). Other recent recalls of similar products include Volvo 2026 VNL Steering Recall: Loose Steering Arm Risk (July 9, 2026), Freightliner Business Class M2 Steering Recall: Binding Gears Risk (February 4, 2026), and Peterbilt 520 (2024-2026) Steering Recall: Risk of Loss of Control (January 19, 2026).
How to tell if you have this one
Check if your vehicle was purchased in 2024 and is a Mack Anthem, Pinnacle, or Terrapro model. Owners received notification letters mailed February 9, 2024.
Brand
Mack
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact Mack Customer Service
Call 1-800-866-1177 to get assistance with the recall.
Have Dealers Inspect and Replace
Dealers will inspect and replace the defective steering gears at no cost if necessary.
Official remedy
What NHTSA says to do
Dealers will inspect and replace the defective gears as necessary, free of charge. Owner notification letters were mailed February 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0457.
How this recall unfolded
Recall timeline
Owners were mailed letters 45 days after NHTSA received the defect report.
1NHTSA received the defect report
2Owner letters mailed
Dates from the agency record only; steps without a date are left out.
Take action
Contact Mack
We’ve drafted a message you can send Mack to request your refund or repair — edit it as you like.
Subject: Recall 23V899000 — Mack 2024 Anthem Steering Recall: Risk of Crash Due to Steering Control Loss
Hello,
I own a Mack 2024 Anthem Steering Recall: Risk of Crash Due to Steering Control Loss that is covered by recall 23V899000 from Mack.
The official recall notice states: Dealers will inspect and replace the defective gears as necessary, free of charge. Owner notification letters were mailed February 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0457.
I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?
Thank you.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Plain-language summary written by qwen3:4b on August 19, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.