Paccar Incorporated (Paccar) is recalling certain model year 2016 Kenworth T370, T660, T680, T800, T880, and W900 vehicles manufactured July 31, 2015, to August 12, 2015, and 2016 Peterbilt 337, 348, 365, 367, 382, 386, 389, 567, 579, and 587 vehicles manufactured August 4, 2015, to August 12, 2015. In the affected vehicles, the Engine Control Module (ECM) may short circuit, causing the engine to stall without warning.