2026 MACK ANTHEM AN (4) — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
1
Recall
5
Service Bulletins
0
Investigations
Overview of the 2026 MACK ANTHEM AN (4)
The 2026 MACK ANTHEM AN (4) has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There has been 1 recall campaign affecting this vehicle, covering issues with EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE. 5 technical service bulletins have been issued by Mack Trucks, Inc. for this model year.
Recalls for the 2026 MACK ANTHEM AN (4)
NHTSA has recorded 1 recall for the 2026 MACK ANTHEM AN (4), potentially affecting up to 247 vehicles.
Recall 25V803000 — EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
| 247 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (4) and 2025-2026 Pioneer vehicles. The automatic high beams (AHB) may not switch to low beam headlights as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: High beam headlights that do not switch to low beam as intended can reduce visibility for oncoming traffic, increasing the risk of a crash.
Remedy: As an interim action, Mack will update the vehicle software through an over-the-air (OTA) update to disable the AHB feature, free of charge. The final remedy is under development. Interim owner notification letters were mailed January 7, 2026. Additional letters...
View full details →Owner Complaints for the 2026 MACK ANTHEM AN (4)
No complaints have been filed with NHTSA for the 2026 MACK ANTHEM AN (4).
Safety Rating for the 2026 MACK ANTHEM AN (4)
NHTSA has not yet tested the 2026 MACK ANTHEM AN (4) in its New Car Assessment Program.
Technical Service Bulletins for the 2026 MACK ANTHEM AN (4)
Mack Trucks, Inc. has issued 5 technical service bulletins (TSBs) for the 2026 MACK ANTHEM AN (4). TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
CBR 2443-3 202601 — SERVICE BRAKES
CBR - Trailer Tandem Adjustment Procedure - PR (4) - AN (4).
CBR 2540 202512 — STRUCTURE:BODY
Upper Bunk Restraint System – Plastic Gable Retention Field Fix
CBR 2480-7 — ELECTRICAL SYSTEM
CBR - Resolution Process for Locked Control Unit(s)
CBR 2502 092025 — ELECTRICAL SYSTEM
This CBR solution provides guidelines for ensuring the correct position of battery sensor modules and battery sensor harnesses on the Mack PR (4) and AN (4) chassis, as well as the Battery Sensor Diagnostic and Calibration Procedure.
CBR 2497 092025 — ELECTRICAL SYSTEM
Electronic control units on the VN(4), PR (4) and AN (4) contain information that is critical for vehicle functionality, maintaining vehicle life data, and maintaining vehicle compliance. Because of this, swapping ECUs from truck to truck even for diagnostic purposes may cause functional or compliance complications that may or may...
NHTSA Investigations for the 2026 MACK ANTHEM AN (4)
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK ANTHEM AN (4)
- 2026 MACK ANTHEM AN (4) (current)
Other MACK Models
- MACK MACK — 35 total complaints
- MACK ANTHEM (AN) — 12 total complaints
- MACK CXU612 — 12 total complaints
- MACK CX613 — 10 total complaints
- MACK GRANITE (GR) — 10 total complaints
- MACK CH600 — 9 total complaints
- MACK GU — 9 total complaints
- MACK RD — 8 total complaints