2024 Mack LR: recalls and complaints

NHTSA advisory: do not driveCampaign 23V713000. NHTSA received the report on 24 Oct 2023. 47 units. Steering

Remedy of campaign 23V713000, in the NHTSA record

Owners are advised not to drive their vehicles until the repair has been performed. Dealers will inspect and tighten the steering gear fasteners and install a new cotter pin, free of charge. Owner notification letters are expected to be mailed December 15, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0451.

Do-not-drive advisory: A mark on a recall campaign in the NHTSA recall file. This site shows the mark as NHTSA sets it.

NHTSA lists 6 recall campaigns for the 2024 Mack LR. The newest campaign is 24V232000. NHTSA received the report on 27 Mar 2024. The NHTSA record gives the component Electrical System / Wiring / Fuses and Circuit Breakers. NHTSA has no complaint on file for this model year.

This page cannot show if a recall applies to one vehicle. The NHTSA VIN lookup shows the unrepaired recalls of one vehicle.

Remedy of the newest campaign, 24V232000, in the NHTSA record

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.

NHTSA VIN lookup

Complaint information entered into NHTSA’s Office of Defects Investigation vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend exists.
NHTSA publishes these words. Source: NHTSA Datasets and APIs, section Complaints, read on 1 Oct 2026. Complaint file through 15 May 2019. Recall file through 29 Sep 2026.

Since the last update

No tracked figure of this page changed in a data update. What the log tracks

All updates to the register

Recall campaigns

6 campaigns, newest first. 1,031 units in total.

24V23200027 Mar 2024Electrical System / Wiring / Fuses and Circuit Breakers
23V79200022 Nov 2023Vehicle Speed Control
23V71300024 Oct 2023SteeringAdvisory
23V51300027 Jul 2023Structure
23V4650003 Jul 2023Visibility / Windshield Wiper/Washer / Linkages
23V3100002 May 2023Electrical System / Horn

24V232000Received 27 Mar 2024. 106 units.
Electrical System / Wiring / Fuses and Circuit Breakers
Defect, in the NHTSA record
Mack Trucks, Inc. (Mack) is recalling certain 2024-2025 LR natural gas vehicles. The methane detector may be inoperative due to a missing fuse.
Consequence, in the NHTSA record
An inoperative methane detector can fail to detect a gas leak, increasing the risk of a fire or injury.
Remedy, in the NHTSA record
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.
Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0461. Owner notification date in the NHTSA record: 10 Apr 2024.
23V792000Received 22 Nov 2023. 650 units.
Vehicle Speed Control
Defect, in the NHTSA record
Mack Trucks, Inc. (Mack) is recalling certain 2023-2024 GR, AN, LR, and Terrapro vehicles. The engine may not return to idle within 2 seconds if the accelerator pedal position sensor becomes disconnected. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 124, "Accelerator Control Systems."
Consequence, in the NHTSA record
An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
Remedy, in the NHTSA record
Mack will replace the throttle pedal and update the vehicle software, free of charge. Owner letters were mailed February 27, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0455.
Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0455. Owner notification date in the NHTSA record: 27 Feb 2024.
23V713000Received 24 Oct 2023. 47 units.
SteeringDo-not-drive advisory
Defect, in the NHTSA record
Mack Trucks, Inc. (Mack) is recalling certain 2024 LR vehicles. The fasteners that connect the power steering assist cylinder to steering arm may be loose or missing.
Consequence, in the NHTSA record
The power steering assist cylinder may separate from the steering arm, causing a loss of vehicle control and increasing the risk of a crash.
Remedy, in the NHTSA record
Owners are advised not to drive their vehicles until the repair has been performed. Dealers will inspect and tighten the steering gear fasteners and install a new cotter pin, free of charge. Owner notification letters are expected to be mailed December 15, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0451.
Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0451. Owner notification date in the NHTSA record: 26 Oct 2023.
23V513000Received 27 Jul 2023. 19 units.
Structure
Defect, in the NHTSA record
Mack Trucks, Inc. (Mack) is recalling certain 2024 LR garbage trucks. The reinforcing floor welds may be missing from around the passenger seat pedestal, reducing floor strength.
Consequence, in the NHTSA record
The pedestal may buckle during a crash, preventing the passenger seat from properly restraining a passenger.
Remedy, in the NHTSA record
Dealers will inspect and add welds as necessary, replace the missing floor welds, free of charge. Owner notification letters were mailed September 12, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0446.
Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0446. Owner notification date in the NHTSA record: 12 Sep 2023.
23V465000Received 3 Jul 2023. 204 units.
Visibility / Windshield Wiper/Washer / Linkages
Defect, in the NHTSA record
Mack Trucks, Inc. (Mack) is recalling certain 2023-2024 LR garbage trucks. The wiper arm retention nuts may be loose, stripping, and causing the windshield wipers to fail.
Consequence, in the NHTSA record
Inoperative windshield wipers can reduce visibility, increasing the risk of a crash.
Remedy, in the NHTSA record
Dealers will inspect, tighten the retention nuts, and replace the windshield wiper arms as necessary, free of charge. Owner notification letters were mailed August 22, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0445.
Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC0445. Owner notification date in the NHTSA record: 22 Aug 2023.
23V310000Received 2 May 2023. 5 units.
Electrical System / Horn
Defect, in the NHTSA record
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.
Consequence, in the NHTSA record
A vehicle with an inoperative horn cannot alert other drivers, increasing the risk of a crash.
Remedy, in the NHTSA record
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.
Report filed by Mack Trucks, Inc.. Manufacturer campaign number SC443. Owner notification date in the NHTSA record: 20 Jun 2023.

The campaign number opens the NHTSA record. Each quotation is the text of the NHTSA recall file.

Recall campaign: One recall in the NHTSA recall file, with one campaign number. A campaign can name many makes, models and model years.

Units: The number of vehicles or products that a recall can include. The manufacturer or the firm reports the number to the agency.

Complaints by component

The NHTSA complaint file has no complaint for this model year.

Investigations

The NHTSA investigation file has no investigation that names this model year.

Investigation: A study of a possible safety defect by the NHTSA Office of Defects Investigation. An investigation with no closing date in the NHTSA file is open.

Other model years

The number under each year is the number of recall campaigns.

20101
20111
20121
20131
20141
20153
20163
20171
20181
20192
20201
20213
20221
20232
20246
20252

A year without a link has fewer than 2 campaigns and fewer than 25 complaints. It has no page.

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Official channels

NHTSA VIN lookupNHTSA shows the unrepaired recalls of one vehicle from its VIN or its license plate.
NHTSA: report a safety problemThe NHTSA form for a complaint about a vehicle, a tire, a child seat or equipment.
NHTSA page of the 2024 Mack LRThe recalls, the complaints and the investigations that NHTSA shows for this model year.

Cite this page

Recall Register. 2024 Mack LR: recalls and complaints. https://recallregister.com/vehicle/mack/lr/2024/. Source: NHTSA Office of Defects Investigation, recall, complaint and investigation files. Data through 29 Sep 2026.

Sources

Source: NHTSA Office of Defects Investigation
Licence: US government work, public domain
Recall file through: 29 Sep 2026
Complaint file through: 15 May 2019
First complaint in the file: 1 Jan 1995
Manufacturer in the recall file: Mack Trucks, Inc.

The NHTSA record is the authority. A complaint count is the number of different complaint numbers for the make, the model and the model year. How the register is made. Report an error.

Questions

How many units are in the recall campaigns for the 2024 Mack LR?: 1,031 units in 6 campaigns. A campaign can name other models and model years, and its units include them.
How many recall campaigns does the Mack LR have for all model years?: NHTSA lists 15 recall campaigns for the Mack LR, model years 2010 to 2025. 6 of them name the 2024 model year.
Is an NHTSA investigation of the 2024 Mack LR open?: The NHTSA investigation file has no investigation that names this model year.