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RECALLS — MAKE · MODEL · YEAR

2023 Mack LR recalls

4 safety recall campaigns have been filed for the 2023 Mack LR with Transport Canada and the U.S. NHTSA. Here is what both agencies say.

Canadian recalls
02
U.S. recalls
02
Total campaigns
04

Transport Canada recalls

02
  • Electrical#2023630

    70 units affected

    Issue: On certain trucks, the engine may not return to idle if the accelerator pedal position sensor becomes disconnected. As a result, the trucks don't meet certain requirements of Canadian regulations. Safety Risk: An engine that doesn't return to idle could cause a loss of control and increase the risk of a crash. Corrective Actions: Mack will notify owners by mail. The corrective actions for this recall are under development.

  • Steering#2022295

    258 units affected

    Issue: On certain trucks, the steering gear may not have been assembled correctly. As a result, the steering gear could break and cause a loss of steering. Safety Risk: A loss of steering control could create the risk of a crash. Corrective Actions: Mack will notify owners by mail and instruct you to take your truck to a dealership to inspect the serial number on the steering gear, and replace it, if necessary.

Canadian data updated August 24, 2026

U.S. NHTSA recalls

02
  • VEHICLE SPEED CONTROL#23V792000

    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."

    Risk: 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.

  • VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES#23V465000

    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.

    Risk: 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 SC0445.

Does this recall apply to my vehicle?

Matched by make, model, and model year. Many recalls affect only specific VIN ranges — confirm with your dealer using your full VIN.

What to do

Recall repairs are free at a franchised dealer in both countries. To confirm a recall applies to your specific vehicle, or to book the work, contact your manufacturer or dealer with your full VIN, or use the official channel:

Check a 2023 Mack LR VIN

A VIN decode confirms your vehicle's exact model year, trim and assembly plant, then runs this same recall check against it.

Data sources and coverage limits