NHTSA campaign 15V139000 · Mack campaign SC0390
Mack Recall 15V-139: Inadvertent Fifth Wheel Latch Release
NHTSA recall 15V139000 (Mack campaign SC0390) was reported by Mack Trucks, Inc. on March 11, 2015, with 262 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack PINNACLE (CXU) for model years 2012–2015. Owners were notified on May 6, 2015, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 15V139000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 15V139000 (also written 15V-139 or 15V139)
- Filed by
- Mack Trucks, Inc.
- Mack campaign number
- SC0390
- Report received
- Potentially affected
- 262 vehicles (per NHTSA)
- Component
- Trailer Hitches — Fifth Wheel Assembly
- Owners notified
Repair completion: 92.75% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 15V139000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Mack
Mack PINNACLE (CXU)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 15V139000.
Defect description
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.
Manufacturer remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Sources
Official NHTSA notice for recall 15V139000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.