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Mack circuit connecting the horn button to the horn is missing, making the horn inoperative.

NHTSA campaign 23V-310 · Reported May 2, 2023 · 5 vehicles affected

AFFECTED MODELS
Mack LR
VEHICLES AFFECTED
5
REMEDY
Dealers will add the necessary circuits to connect the horn button to the horn, free of charge.
COST
Free

The short version

Mack Trucks, Inc. reported a problem with the electrical system horn. Here is what owners need to know.

WHAT

The circuit connecting the horn button to the horn is missing, making the horn inoperative.

WHY IT MATTERS

A vehicle with an inoperative horn cannot alert other drivers, increasing the risk of a crash.

WHAT TO DO

Take it to a dealer — they will add the necessary circuits to connect the horn button to the horn, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 23V-310.

YEAR RANGEMODEL
2024Mack LR

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with Mack Trucks, Inc. or the National Highway Traffic Safety Administration.