Vehicle recall 26V207000 · April 1, 2026
Mack Pioneer PR (4) and Anthem AN (4)
The trailer turn signals may not function properly.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2027 Anthem (4) trailers. The trailer turn signals may not function properly. 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
- Turn signals that do not function properly may fail to indicate the driver's intention to change vehicle direction, increasing the risk of a crash.
- Remedy
- Dealers will update the turn signal indicator software, free of charge. Owner notification letters were mailed May 7, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0493. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov April 1, 2026.
Recall details
- NHTSA campaign
- 26V207000
- Reported to NHTSA
- April 1, 2026
- Filed by
- Mack Trucks, Inc.
- Manufacturer campaign
- SC0493
- Owner notification
- May 8, 2026
- Vehicles potentially affected
- 86
- Initiated by
- the manufacturer
- Components
- Exterior lighting › Turn signal
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack Anthem AN (4) (2027): 2027
- Mack Pioneer PR (4) (2025-2027): 2027, 2026, 2025
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.