Mack Trucks, Inc.: Electrical System › Wiring › Fuses and Circuit Breakers
Mack Trucks, Inc. reported this defect to federal regulators on Mar 27, 2024 and put the number of vehicles at risk at 106. The repair is free for as long as the recall stands.
The defect
Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 LR natural gas vehicles. The methane detector may be inoperative due to a missing fuse.
The risk
An inoperative methane detector can fail to detect a gas leak, increasing the risk of a fire or injury.
The remedy
Dealers will install a fuse, free of charge. Owner notification letters were mailed April 10, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0461.
2 model years covered
Newest first| Vehicle | Complaints | Recalls | Fires | Crashes |
|---|---|---|---|---|
| 2025 Mack LR | 0 | 2 | 0 | 0 |
| 2024 Mack LR | 0 | 6 | 0 | 0 |
What this page is, and what to do next
A recall is not an opinion. It is a Part 573 report a manufacturer is required by federal law to file once it decides a defect poses an unreasonable risk to safety, and it commits them to repairing the vehicle at no cost to the owner. The three passages above are the manufacturer’s own wording as published by NHTSA.
This page describes the campaign. It cannot tell you whether one particular car has already been through the shop — that is tracked by VIN, and only the manufacturer knows it. Check yours at nhtsa.gov/recalls or with a franchised dealer, quoting campaign number 24V232000.
Full record for the 2025 Mack LR → · Recalls carrying a do-not-drive advisory → · Where this data comes from →