MACK 2012 MACK PINNACLE (CXU) Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2012 MACK PINNACLE (CXU)
Brand
MACK
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2012
Mack Trucks, Inc. is recalling certain 2012 MACK PINNACLE (CXU) vehicles due to trailer hitches:fifth wheel assembly issues. An inadvertent decoupling of the trailer from the tractor may increase the risk of a crash..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Mack Trucks, Inc (Mack) is recalling certain model year 2012-2015 CXU trucks manufactured February 4, 2011, to December 23, 2014, and equipped with an air release fifth wheel latch. The affected vehicles have a switch to release the fifth wheel latch that may invertently be pushed and cause the trailer to unintentionally disconnect from the tractor after the parking brake has been released.
Reported concern (NHTSA)
An inadvertent decoupling of the trailer from the tractor may increase the risk of a crash.
Recommended Action
Per NHTSA guidance
Mack will notify owners, and dealers will install a secondary action that operators will need to activate before the fifth wheel will release, free of charge. The recall began on May 6, 2015. Owners may contact Mack customer service at 1-800-528-6586. Mack's number for this recall is SC0390.
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