2024 MACK LR — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
6
Recalls
11
Service Bulletins
0
Investigations
Overview of the 2024 MACK LR
The 2024 MACK LR has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 6 recall campaigns affecting this vehicle, covering issues with ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS, VEHICLE SPEED CONTROL, STEERING. 11 technical service bulletins have been issued by Mack Trucks, Inc. for this model year.
Recalls for the 2024 MACK LR
NHTSA has recorded 6 recalls for the 2024 MACK LR, potentially affecting up to 1,031 vehicles.
Recall 24V232000 — ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
| 106 vehicles affected
Defect: 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: 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.
View full details →Recall 23V792000 — VEHICLE SPEED CONTROL
| 650 vehicles affected
Defect: 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: An engine that does not return to idle quickly enough can cause a loss of vehicle control, increasing the risk of a crash.
Remedy: 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.
View full details →Recall 23V713000 — STEERING
| 47 vehicles affected
Defect: 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: 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: 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...
View full details →Recall 23V513000 — STRUCTURE
| 19 vehicles affected
Defect: 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: The pedestal may buckle during a crash, preventing the passenger seat from properly restraining a passenger.
Remedy: 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.
View full details →Recall 23V465000 — VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES
| 204 vehicles affected
Defect: 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: Inoperative windshield wipers can reduce visibility, increasing the risk of a crash.
Remedy: 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...
View full details →Recall 23V310000 — ELECTRICAL SYSTEM:HORN
| 5 vehicles affected
Defect: 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: A vehicle with an inoperative horn cannot alert other drivers, increasing the risk of a crash.
Remedy: 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.
View full details →Owner Complaints for the 2024 MACK LR
No complaints have been filed with NHTSA for the 2024 MACK LR.
Safety Rating for the 2024 MACK LR
NHTSA has not yet tested the 2024 MACK LR in its New Car Assessment Program.
Technical Service Bulletins for the 2024 MACK LR
Mack Trucks, Inc. has issued 11 technical service bulletins (TSBs) for the 2024 MACK LR. TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
CBR 2107-21 202505 — ENGINE
Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
S3954 202404 — ENGINE AND ENGINE COOLING
Fleet Improvement Campaign: Tunnel Radiator Replacement
S3857 202402 — STEERING
Service Campaign - MMD Suspension Bracket Torque.
CBR-2333 202401 — ELECTRICAL SYSTEM
CBR: TGW Will Not Connect After SIM Card Replacement
CBR-2286 202401 — ENGINE AND ENGINE COOLING
CBR: Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024
S3815 202401 — STEERING
Service Campaign: LR Power Steering Assist Cylinder Castle Nut Torque
M-258-014 202309 — ENGINE AND ENGINE COOLING
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
CBR-2300 202307 — POWER TRAIN
CBR: Battery Electric Vehicle (BEV) - Hybrid Powertrain Control Unit (HPCU) Programing
S3275 — STEERING
Campaign - Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power steering cooler hose clamps.
KC-2273-Rev6 — POWER TRAIN
CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).
Showing 10 of 11 technical service bulletins.
NHTSA Investigations for the 2024 MACK LR
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK LR
- 2019 MACK LR — 1 complaint
- 2020 MACK LR — 0 complaints
- 2021 MACK LR — 0 complaints
- 2022 MACK LR — 0 complaints
- 2023 MACK LR — 0 complaints
- 2024 MACK LR (current)
- 2025 MACK LR — 0 complaints
Other MACK Models
- MACK MACK — 35 total complaints
- MACK ANTHEM (AN) — 12 total complaints
- MACK CXU612 — 12 total complaints
- MACK CX613 — 10 total complaints
- MACK GRANITE (GR) — 10 total complaints
- MACK CH600 — 9 total complaints
- MACK GU — 9 total complaints
- MACK RD — 8 total complaints