It looks like it will be any vehicle built between June 13, 2014 - March 7, 2018.My 2014 doesn't show any current recalls.
"Some 2014-2018 MY Ram 1500 vehicles built with 3.0L Diesel engines may have the magnetic signal material delaminate from the body of the tone wheel. The suspect period began on June 13, 2014, when 3.0L Diesel engines with suspect tone wheels were introduced in vehicle production, through March 7, 2018, when suspect engine stock was depleted in vehicle production. The vehicle population was determined by engine and vehicle assembly traceability records. Similar vehicles not included in this recall do not have suspect magnetic tone wheels on 3.0L Diesel engines or were built with other engines that do not have magnetic tone wheels. The total affected vehicles for this model is 50,973. Production Dates : JUN 13, 2014 - MAR 07, 2018"