Vehicle Safety Data

2021 MACK ANTHEM (AN) — Problems, Recalls & Safety Data

Check any vehicle history by VIN - Free vehicle history report

N/A

Safety Rating

1

Owner Complaint

5

Recalls

ACTIVE RECALL

18

Service Bulletins

0

Investigations

Overview of the 2021 MACK ANTHEM (AN)

The 2021 MACK ANTHEM (AN) has received a total of 1 safety complaint filed with the National Highway Traffic Safety Administration (NHTSA). There have been 7 recall campaigns affecting this vehicle, covering issues with SEAT BELTS:FRONT:ANCHORAGE, ELECTRICAL SYSTEM:SOFTWARE, SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. 18 technical service bulletins have been issued by Mack Trucks, Inc. for this model year. The most commonly reported problem area is the Fuelpropulsion System (1 complaint).

Recalls for the 2021 MACK ANTHEM (AN)

NHTSA has recorded 7 recalls for the 2021 MACK ANTHEM (AN), potentially affecting up to 141,332 vehicles.

Recall 25V666000 — SEAT BELTS:FRONT:ANCHORAGE

| 15,841 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."

Consequence: An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.

Remedy: Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will...

View full details →

Recall 24V792000 — ELECTRICAL SYSTEM:SOFTWARE

| 59,338 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.

Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.

Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.

View full details →

Recall 24V792000 — SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

| 59,338 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.

Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.

Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.

View full details →

Recall 22V401000 — STEERING

| 5,644 vehicles affected

Defect: 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.

Consequence: 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.

View full details →

Recall 21V416000 — WHEELS:HUB

| 307 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.

Consequence: A separated hubcap can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0425.

View full details →

Recall 21V416000 — WHEELS

| 307 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.

Consequence: A separated hubcap can create a road hazard, increasing the risk of a crash.

Remedy: Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0425.

View full details →

Recall 21V233000 — ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE

| 557 vehicles affected

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...

Consequence: A vehicle that drifts out of its lane increases the risk of a crash.

Remedy: 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.

View full details →

Owner Complaints for the 2021 MACK ANTHEM (AN)

1 complaint has been filed with NHTSA for the 2021 MACK ANTHEM (AN). Below is a breakdown by vehicle component.

Fuelpropulsion System
Complaints: 1

Most Recent Complaints

#11534072 | FUEL/PROPULSION SYSTEM | | N/A miles
The secondary fuel filter housing broke causing the truck to shut off while driving.

Safety Rating for the 2021 MACK ANTHEM (AN)

NHTSA has not yet tested the 2021 MACK ANTHEM (AN) in its New Car Assessment Program.

Technical Service Bulletins for the 2021 MACK ANTHEM (AN)

Mack Trucks, Inc. has issued 18 technical service bulletins (TSBs) for the 2021 MACK ANTHEM (AN). TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.

CBR 2432-2 202601 — VISIBILITY/WIPER

CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.

CBR-2024 202502 — SERVICE BRAKES

CBR - There have been a few trucks that have not passed the chuff test due to hose configuration and the software monitors not allowing for system or driver variables. This ABS software and hardware change will address both.

KC-2259 — ENGINE AND ENGINE COOLING

Oil In Coolant - Cross Contamination From Oil Cooler - 13L VGT Engines

KC-2128 — ELECTRICAL SYSTEM

Engine Control Module (EMS) Software Information - Improvement List (Change Log), March 2023 – US21+OBD2021 Emissions ONLY

KC-2140 — ELECTRICAL SYSTEM

Mack Chassis - P05E662 Park brake Sensor/Switch Circuit Range/Performance, Signal Compare failure - Diagnostic Instructions - US21+OBD21 Emissions

KC-2078 — ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

Turbo-Compound Engines - DTC P024400 - Turbocharger Wastegate Actuator Range/Performance - US21+OBD20 To US21+OBD22 Emissions

KC-2078 — ELECTRICAL SYSTEM

Turbo-Compound Engines - DTC P024400 - Turbocharger Wastegate Actuator Range/Performance - US21+OBD20 To US21+OBD22 Emissions

KC-2214 — ENGINE AND ENGINE COOLING

Turbo Compound 2nd Generation - EGR And/Or DPF Diagnostic Trouble Codes (DTC), Diagnostic And Repair Information

KC-406 — EQUIPMENT

Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer

KC-375 — EXTERIOR LIGHTING

Mack Chassis - Anthem (AN) Models - Headlight Diagnostics And Replacement; Instructions For Non-Functioning Headlight Or Turn Signal In Headlight Housing

Showing 10 of 18 technical service bulletins.

NHTSA Investigations for the 2021 MACK ANTHEM (AN)

There are no NHTSA defect investigations on record for this vehicle.

Other Model Years of the MACK ANTHEM (AN)

View all MACK ANTHEM (AN) model years →

Other MACK Models

View all MACK models →

Check any vehicle history by VIN - Free vehicle history report