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RECALLS — MAKE · MODEL · YEAR

2022 Mack LR recalls

3 safety recall campaigns have been filed for the 2022 Mack LR with Transport Canada and the U.S. NHTSA. Here is what both agencies say.

Canadian recalls
02
U.S. recalls
01
Total campaigns
03

Transport Canada recalls

02
  • Electrical#2023021

    5 units affected

    Issue: On a small number of LR Electric models, a relay for the coolant heater could fail. If this happens, the heater could stay energized when there is no coolant flow or a low coolant level. Safety Risk: A coolant heater that stays energized could create the risk of a fire. Corrective Actions: Mack will notify owners by mail and instruct you to take your truck to a dealership to update the hybrid powertrain control unit and instrument cluster software. The dealer will also install replacement relays.

  • 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

01
  • STEERING#22V401000

    Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.

    Risk: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

    Remedy: Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0437.

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 2022 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