NHTSA lists 2 complaints for the 2021 Mack Anthem (an), 1 of them mention a crash and 0 mention a fire. 0 complaints mention an injury, with 0 injuries and 2 deaths reported.
Data build 2026-10-09.
NHTSA lists this vehicle as MACK ANTHEM (AN).
Model-generated complaint tags
These labels are model-generated, not NHTSA data.
Failure modes| Label | Count | Share of tagged | Mean confidence |
|---|
| loss of control | 1 | 50.0% | 0.99 |
|---|
| mechanical failure | 1 | 50.0% | 0.98 |
|---|
Severities| Label | Count | Share of tagged | Mean confidence |
|---|
| high | 1 | 50.0% | 1.00 |
|---|
| moderate | 1 | 50.0% | 0.85 |
|---|
Model: typesafe/jev-1.13-20260917; schema version: tag-v1. 2 tagged complaints of 2 complaints (100.0%).
Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.
Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.
Recalls
See new recalls and investigations this week.
5 recalls.
Date: 2025-10-06. Systems: SEAT BELTS.
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 be searchable on NHTSA.gov beginning October 13, 2025.
Do not drive: No. Park outside: No.
Date: 2024-10-23. Systems: ELECTRICAL SYSTEM, SERVICE BRAKES, HYDRAULIC.
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.
Do not drive: No. Park outside: No.
Date: 2022-06-07. Systems: STEERING.
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.
Do not drive: No. Park outside: No.
Date: 2021-06-02. Systems: WHEELS.
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.
Do not drive: No. Park outside: No.
Date: 2021-04-01. Systems: ELECTRONIC STABILITY CONTROL (ESC).
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 Stabilit (excerpt)
Consequence: A vehicle that drifts out of its lane increases the risk of a crash. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
227 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE AND ENGINE COOLING | 83 |
|---|
| ELECTRICAL SYSTEM | 53 |
|---|
| POWER TRAIN | 28 |
|---|
| EQUIPMENT | 17 |
|---|
| ENGINE | 15 |
|---|
| SUSPENSION | 13 |
|---|
| STRUCTURE | 12 |
|---|
| UNKNOWN OR OTHER | 11 |
|---|
11036580
Date: 2026-08-10. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
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
11032094
Date: 2026-04-30. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE, UNKNOWN OR OTHER.
CBR - Mack Chassis - Dash Panel Cracking at Mounting to BIW.
11032086
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Carrier Nut Adhesive Change.
11032092
Date: 2026-04-09. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
11030579
Date: 2026-03-19. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, UNKNOWN OR OTHER.
CBR - No Start Condition After Over the Air Programing.
11030583
Date: 2026-03-02. Type: Service Bulletin/Repair Instructions. Systems: SUSPENSION.
CBR - Z Spring Bracket Wear.
11030590
Date: 2026-03-02. Type: Emissions. Systems: ENGINE.
Emissions - EC0039 MST21 Failure to Detect P20EE - AN, CHU.
11028041
Date: 2026-01-08. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE, VISIBILITY/WIPER.
CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.
11028032
Date: 2026-01-07. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
11027007
Date: 2025-12-04. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.