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Manufacturer recall number

Mack recall SC0461

Mack calls it SC0461. NHTSA filed it as campaign 24V232000 on Mar 27, 2024: electrical system on the 2024–2025 Mack LR, 106 vehicles potentially affected. One recall, two numbers — the dealer quotes the manufacturer’s, the federal record carries NHTSA’s.

What NHTSA has under this number

Source: 49 CFR Part 573 filings
NHTSA campaignVehiclesComponentFiledAffectedSeverity
24V2320002024–2025 Mack LRElectrical SystemMar 27, 2024106critical
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. Fix 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.

The manufacturer’s own words as filed for 24V232000. Every model year it covers, the build window and the filed PDFs →

Two numbers, one recall

Every safety recall carries two identifiers. SC0461 is the number Mack assigned in its own system: it is what appears on the owner letter, on the dealer’s service screen and on the repair order. 24V232000 is the number NHTSA filed the same recall under when the manufacturer reported it, and it is the one every federal record, this site included, is keyed on.

The repair is free by federal law for vehicles up to fifteen years old. Whether one particular vehicle is included is settled by its VIN against the manufacturer’s build list, not by its model year.

Check one specific vehicle

Both lookups check a VIN against the manufacturer’s own list and say whether the repair is still outstanding on that vehicle.

Common questions

Source: NHTSA, 49 CFR Part 573

Is SC0461 the same recall as 24V232000?

Yes. SC0461 is Mack’s own number for it; 24V232000 is NHTSA’s. One recall, two references.

Which vehicles does SC0461 cover?

2024–2025 Mack LR, 106 vehicles by the manufacturer’s count. A recall covers a build range, so the VIN decides whether one particular vehicle is in it.

Does the SC0461 repair cost anything?

No. The manufacturer must remedy a safety defect at no charge for vehicles up to 15 years old from first sale.