Electrical system: hornRecall 23V-310 · 2024 Mack LR

Mack Trucks, Inc. recall 23V-310 covers 5 2024 Mack LR for a electrical system: horn problem, reported to NHTSA on May 2, 2023. The manufacturer's latest report (2025 Q1) shows 100% of affected vehicles repaired.

100%
Vehicles repaired5 of 5 · 2025 Q1
Vehicles affected51 model
ReportedMay 2, 2023Owners notified Jun 20, 2023
Complaints since0Same system, after the recall

Source: NHTSA recall 23V310000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

Mack Trucks, Inc. (Mack) is recalling certain 2024 LR electric garbage trucks, equipped with electric horns. The circuit connecting the horn button to the horn is missing, making the horn inoperative.

The risk

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

What to do

The fix

Dealers will add the necessary circuits to connect the horn button to the horn, free of charge. Owner notification letters were mailed June 20, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC443.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

100%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.

0%50%100%2023 Q22025 Q1
1 model

Vehicles in this recall