Mack Trucks, Inc. recall 26V207
- Manufacturer
- Mack Trucks, Inc.
- Units affected
- 86
- Recall opened
- May 8, 2026
- Report date
- Apr 1, 2026
- Manufacturer campaign
- SC0493
- Type
- Vehicle
Affected vehicles (2)
- MACK ANTHEM AN (4)2027
- MACK PIONEER PR (4)2025–2027
Component / system
Defect
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."
Risk / 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.
Chronology of events
- Jan 13, 2026
January 13, 2026: While doing road approval on a test vehicle, inoperative trailer turn signal indicators were observed when connected to the trailer using incandescent lamps. A malfunction message was observed stating "trailer position light malfunction".
- Jan 26, 2026
January 26, 2026: Engineering begins an investigation for root cause analysis.
- Feb 9, 2026
February 9, 2026: Engineering finds that a lower current setting is enabled for all trucks built with added body builder functionality. Trucks built without increased functionality are not affected.
- Feb 11, 2026
February 11, 2026: The product Safety Office launches a potential noncompliance investigation into nonfunctioning trailer turn signal indicators.
- Mar 16, 2026
March 16, 2026: Product Safety Evaluation Committee reviews investigation information and recommends escalation to the Product Safety Committee.
- Mar 25, 2026
March 25, 2026: Product Safety Committee determines that a product non-compliance exists and decides to initiate a recall. There have been no warranty claims, field reports, accidents or injuries reported related to this issue.
Notification schedule
- Dealer notification
- Apr 01, 2026 - Apr 01, 2026 No Dealers
- Owner notification
- May 31, 2026 - May 31, 2026 Phased Recall
Source: NHTSA campaign 26V207000. Always confirm recall status and remedy availability with the manufacturer or a dealer using your VIN.