Home / Latest recalls / 24V232

Mack LR Recall 24V232: Gas Leak Detector May Not Work, Raising Fire Risk

NHTSA campaign 24V232, reported March 27, 2024, 106 vehicles potentially affected.

What this recall means for you

Certain natural gas trucks may have a missing fuse that can leave the methane detector inoperative. If the detector is not working, it may fail to alert you to a gas leak, which increases the risk of fire or injury.

Authorized Mack dealers will install the missing fuse free of charge. Owner notification letters were mailed on April 10, 2024. If you have questions, you can contact Mack customer service at 1-800-866-1177 and reference recall SC0461.

If you own a 2024 or 2025 Mack LR natural gas vehicle, check your VIN for open recalls and contact your authorized dealer to schedule the free repair.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 24V232Mack Trucks, Inc.
Component
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
Problem
Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 LR natural gas vehicles. The methane detector may be inoperative due to a missing fuse.
Risk
An inoperative methane detector can fail to detect a gas leak, increasing the risk of a fire or injury.
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Mack LR20242025