Mack Anthem — Brakes
High risk
Apr 23, 2026
Model years: 2026, 2027
On certain trucks, the connector(s) for the rear brake modulator(s) may not have proper wiring protection. As a result, the rear brake modulator(s) could short circuit and cause a
Also affects: Mack Pioneer
Mack Anthem — Lights And Instruments
High risk
Apr 1, 2026
Model years: 2027
On certain trucks, a software problem could cause the trailer turn signal lights not to work when towing.
Also affects: Mack Pioneer
Mack Anthem — Seats And Restraints
High risk
Oct 6, 2025
Model years: 2025
On certain trucks, the passenger-side seat belt anchor may not have been secured to the floor properly. As a result, the seat belt could detach in a crash.
Also affects: Mack Granite, Mack Md
Mack Anthem — Engine
High risk
Apr 17, 2025
Model years: 2024
On one truck, the turbo idler gear bracket fasteners may not have been tightened properly. As a result, the turbo could fail and cause the engine to stall. If this happens, there c
Mack Anthem — Brakes
High risk
Oct 24, 2024
Model years: 2020, 2021, 2022, 2023, 2024, 2025
Issue: On certain trucks, poor signal strength could cause the electronic control unit (ECU) to stop working or not to work properly. As a result, some safety systems may not work,
Also affects: Mack Terrapro, Mack Granite, Mack Pinnacle
Mack Anthem — Seats And Restraints
High risk
Jul 31, 2024
Model years: 2024, 2025
Issue : On certain trucks, the bolts that attach the driver and front passenger seat and seat belts may not have been tightened properly. As a result, the seat(s) and/or seat belt(
Also affects: Mack Granite
Mack Anthem — Steering
High risk
Dec 27, 2023
Model years: 2024
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.
Also affects: Mack Terrapro
Mack Anthem — Lights And Instruments
High risk
Jun 15, 2022
Model years: 2018, 2019, 2020
On certain trucks, some controls are not identified with the required symbol(s) or word(s). Specifically, the identifications for the HVAC fan control, the position side marker lig
Also affects: Mack Granite, Mack Lr, Mack Pinnacle
Mack Anthem — Steering
High risk
Jun 7, 2022
Model years: 2022, 2023
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 s
Also affects: Mack Terrapro, Mack Granite, Mack Lr, Mack Pinnacle
Mack Anthem — Lights And Instruments
High risk
Oct 6, 2021
Model years: 2022
Issue: On certain trucks, the tail lamps do not turn on when the daytime running lamps (DRLs) are on. New Canadian regulations require that, if a vehicle has dash backlighting, the
Also affects: Mack Granite, Mack Pinnacle, Mack Md
Mack Anthem — Wheels
High risk
Jun 2, 2021
Model years: 2021, 2022
Issue: On certain trucks, the hubcaps may be defective and could come loose or detach while driving. Safety Risk: A hubcap that detaches from the truck could create a road hazard f
Also affects: Mack Granite, Mack Pinnacle
Mack Anthem — Lights And Instruments
High risk
Mar 9, 2021
Model years: 2018, 2019, 2020, 2021
On certain trucks, when the manual override is used to switch off the daytime running lamps (DRLs), the lights may not turn on again when you start driving. Canadian regulations re
Also affects: Mack Granite, Mack Md, Mack Pinnacle
Mack Anthem — Structure
High risk
Nov 12, 2020
Model years: 2019, 2020
On certain trucks, the welds that attach the trailer hitch may crack due to improper welding. As a result, the hitch could detach from the truck while towing a trailer.
Also affects: Freightliner 114sd, Freightliner Business Class M2, International Hv, International Hx, International Mv
Mack Anthem — Visual System
High risk
Jan 25, 2019
Model years: 2019, 2020
On certain vehicles, the down-view mirror may detach from the passenger’s door.
Also affects: Mack Granite, Mack Pinnacle
Mack Anthem — Lights And Instruments
High risk
Mar 7, 2018
Model years: 2018
On certain vehicles, the light control module (LCM) could fail due to a potential electrical overload. If this occurs, it could result in a loss of exterior lighting of the truck a