Chryser (FCA US LLC) is recalling certain model year 2014-2015 Ram 4500 and 5500 cab chassis trucks manufactured August 20, 2013, to January 27, 2015 and equipped with 6.4L Hemi engines. The affected vehicles have a maximum governed speed of 106 mph but are fitted with tires that are only rated for a maximum speed of 87 mph.
If the vehicle exceeds the tires' maximum speed rating, the tires may suddenly fail, increasing the risk of a crash.
Chrysler has notified owners, and dealers will correct the electronic control unit software to limit the vehicle's speed to 87 mph, free of charge. The recall began on June 10, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is R17.
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.