RAM 5500, 4500: Powertrain

Affects RAM 5500, 4500 · 2014–2015 — about 169 vehicles.

The hazard

Certain cab and chassis vehicles equipped with 6.4L gasoline engines may have been configured with a 171 km/h governed maximum speed, while the tires on the vehicle are rated to a maximum speed of 140 km/h. Vehicle operation at speeds greater than the speed rating of the tires may result in a tire failure, increasing the risk of a crash. Correction: Dealers will update vehicle software.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational