HAYES SWAY MASTER HAYES SWAY MASTER HAYES SWAY MASTER Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
HAYES SWAY MASTER HAYES SWAY MASTER
Brand
HAYES SWAY MASTER
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Syncro Corporation is recalling certain HAYES SWAY MASTER HAYES SWAY MASTER equipment due to electrical system: integrated trailer brake control issues. If the trailer brakes cannot be applied, it can cause a loss of control, increasing the risk of a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Syncro Corporation (Syncro) is recalling certain Hayes Sway Master aftermarket sway control products, part number 81775. These units may conflict with the tow vehicle's factory-installed integrated brake controllers thereby disabling the tow vehicle's ability to apply the trailer brakes
Reported concern (NHTSA)
If the trailer brakes cannot be applied, it can cause a loss of control, increasing the risk of a crash.
Recommended Action
Per NHTSA guidance
Syncro will notify owners, instructing them to return the unit for repair, free of charge. The recall began on August 16, 2018. Owners may contact Hayes Customer Service at phone number 1-800-882-1204.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026