Vehicle recall 11V461000 · September 1, 2011
2011-2012 Mack Pinnacle (cxu)
During the coupling process, it is possible for the driver to partially close the fifth wheel lock and if solely relying on a tug test (pull test), the driver may think that the…
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Mack trucks is recalling certain model year 2011-2012 cxu trucks manufactured from may 1, 2010, through January 31, 2011. During the coupling process, it is possible for the driver to partially close the fifth wheel lock and if solely relying on a tug test (pull test), the driver may think that the fifth wheel lock is properly coupled to the trailer king pin when in fact it is not properly coupled.
- Consequence
- If the driver drives away with a trailer that is not properly coupled, the trailer can come loose and potentially result in a vehicle crash.
- Remedy
- Mack trucks will notify owners and dealers will replace the lock bar free of charge. The safety recall began on December 7, 2011. Owners may contact mack trucks at 1-800-866-1177.
- Notes
- Mack trucks' safety recall number is SC0358.OWNERS may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to http://www.safercar.gov.
Recall details
- NHTSA campaign
- 11V461000
- Reported to NHTSA
- September 1, 2011
- Filed by
- MACK TRUCKS, INC
- Manufacturer campaign
- SC0358
- Owner notification
- December 7, 2011
- Vehicles potentially affected
- 113
- Initiated by
- the manufacturer
- Components
- Trailer hitches › Fifth wheel assembly
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack Pinnacle (cxu) (2011-2012): 2012, 2011
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.