Mack Pioneer and Anthem Trailers Turn Signal
Mack is recalling 2025–2027 Pioneer and 2027 Anthem trailers with non-functional turn signals that increase crash risk.
Stop using the affected trailer's turn signals and contact Mack Trucks immediately for repair or replacement.
Recall at a glance
- Vehicles affected
- 86
- Repair cost
- Free of charge
- Owner letters mailed
- May 7, 2026
- Manufacturer's recall number
- SC0493
- Manufacturer phone
- 1-800-866-1177
Why it was recalled
Mack Trucks is recalling certain 2025–2027 Pioneer (4) and 2027 Anthem (4) trailers due to turn signals that may not function properly, failing to comply with FMVSS 108. Non-functional turn signals may fail to indicate the driver's intention to change direction, increasing crash risk.
Is mine affected?
This recall covers specific vehicles. Look up your VIN at nhtsa.gov/recalls or check with the manufacturer to confirm yours is included.
MACK PIONEER PR (4) (2025-2027), EXTERIOR LIGHTING
Where it was sold
Distributed nationwide.
Timeline
- Reported to NHTSA
- Listed on Recall Canary
- Summary updated
Other recent recalls from Mack Trucks, Inc.
Editorial summary by Recall Canary · summary updated 2026-04-27 · primary source: U.S. National Highway Traffic Safety Administration · severity reflects the agency's published classification