2018 Mack Anthem (An) problems, complaints & recalls
Safety recalls (4)
Electronic Stability Control (Esc):control Module:software 2021-04-01 · campaign 21V233000 · 557 vehicles
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles."
Risk: A vehicle that drifts out of its lane increases the risk of a crash.
Fix: Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423.
Service Brakes, Air:supply:reservoir/Tank 2019-02-21 · campaign 19V107000 · 9 vehicles
Defect: Mack Trucks Inc. (Mack) is recalling one 2014 Pinnacle (CXU) vehicle and certain 2018-2019 Mack Anthem (AN) vehicles equipped with air brake supply tanks that have an air volume amount ranging from 70% to 96% of the amount required by the regulation. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Risk: The undersized air brake supply reservoir may provide an insufficient air supply to properly operate the brakes during repetitive brake applications, reducing braking performance and increasing the risk of a crash.
Fix: Mack will notify owners and dealers will add an air tank to the affected vehicles, free of charge. The recall began April 10, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0417.
Power Train:clutch Assembly 2019-01-21 · campaign 19V047000 · 11 vehicles
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018 Anthem (AN) and Pinnacle (CXU) vehicles, equipped with an automated manual transmission. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.
Risk: Unintended vehicle movement can increase the risk of a crash.
Fix: Mack has notified owners, and dealers will update the software or replace the clutch, as necessary, free of charge. The recall began on January 25, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0415.
Interior Lighting 2018-03-06 · campaign 18V152000 · 135 vehicles
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2018 Anthem (AN), Granite (GU), and Pinnacle (CXU, PI) trucks. An electrical overload condition may cause the light control module (LCM) to fail, resulting in the loss of the exterior lighting, interior dashboard lighting, and the windshield wipers.
Risk: Loss of lighting or windshield wiper function can increase the risk of a crash.
Fix: Mack will notify owners, and dealers will replace and reprogram the LCM, free of charge. The recall began on March 23, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0409.
Service bulletins (359)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-08-10 · CBR 159 202608 · Service Bulletin/Repair Instructions
mack trucks equipped with a cummins engine - engine preheat icon does not illuminate in the instrument cluster (ic) during engine pre-heat (intake air heater) operation - vehicles with 2018instrument cluster update, model year2018 and newer
Engine 2026-06-29 · M0304 EC0033 202606 · Emissions
mack trucks has determined that certain vehicles equipped with a model year (“my”) 2017-2018 mp8 turbo compound (tc) engine may not meet california and federal regulations (carb). this recall is for updated software that will reduce the amount of time necessary for the system to operate in a cold en
Unknown Or Other 2026-04-30 · CBR 2575-1 202604 · Service Bulletin/Repair Instructions
cbr - mack chassis - dash panel cracking at mounting to biw.
Power Train 2026-04-09 · CBR 2573-1 202604 · Service Bulletin/Repair Instructions
cbr - mack chassis - through shaft bearing retainer breakage on mack carriers.
Power Train 2026-04-09 · CBR 2362-3 202604 · Service Bulletin/Repair Instructions
cbr - mack carrier nut adhesive change.
Engine 2026-03-02 · M0039 032026 · Emissions
emissions - ec0039 mst21 failure to detect p20ee - an, chu.
Showing the 6 most recent of 359 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.