Inadvertent fifth wheel latch release
Defect Summary
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.
Safety Consequence
An inadvertent decoupling of the trailer from the tractor may increase the risk of a crash.
Corrective Action
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.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Trailer Hitches.
FAQ: Recall 15V139000
Your rights, the repair process, and what each field on this page means.
What is recall 15V139000?
NHTSA recall 15V139000 was issued by Mack Trucks, Inc. on March 11, 2015. It addresses: Inadvertent fifth wheel latch release. The recall affects approximately 262 vehicles, with the defect involving the Trailer Hitches component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 15V139000 or the manufacturer campaign number SC0390. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.