▁recall ▁was ▁coinc idence ; ▁then ▁it ▁claimed ▁that ▁the ▁re vised ▁software ▁was ▁reve aling ▁pre - ex isting ▁fault s ▁in ▁the ▁system , ▁despite ▁it ▁occurr ing ▁even ▁with ▁new ▁parts . ▁ ▁Ch rys ler ▁have ▁also ▁claimed ▁that ▁only ▁a ▁small ▁fraction ▁of ▁cars ▁have ▁issues ▁following ▁the ▁recall ; ▁but ▁most ▁users ▁never ▁have ▁occasion ▁to ▁use ▁the ▁low ▁ratio ▁and ▁may ▁never ▁discover ▁the ▁fault . ▁ ▁Four ▁years ▁after ▁this ▁recall ▁its ▁issues ▁remain ▁un resol ved . ▁ ▁Trans mission ▁par king ▁p aw l ▁In ▁April ▁ 2 0 1 6 , ▁the ▁National ▁Highway ▁Tra ffic ▁Saf ety ▁Administration ▁( N HT SA ) ▁ordered ▁a ▁recall ▁of ▁ 2 0 1 4 ▁and ▁ 2 0 1 5 ▁Je ep ▁Grand ▁Ch ero ke es ▁and ▁other ▁cars ▁that ▁use ▁an ▁electronic ▁g ear ▁sh if ter ▁because ▁it ▁sometimes ▁does ▁not ▁go ▁into ▁( or ▁does ▁not ▁remain ▁in ) ▁the ▁park ▁position , ▁despite ▁the ▁operator ' s ▁best ▁intent ions . ▁ ▁Cons um ers ▁reported ▁that ▁they ▁put ▁the ▁car ▁in ▁park ▁and ▁left ▁the ▁engine ▁running , ▁and ▁then ▁were ▁surprised ▁when ▁the ▁car ▁rolled ▁away ▁under ▁power . ▁ ▁An ▁investigation ▁by ▁F CA ▁US ▁and ▁the ▁National ▁Highway ▁Tra ffic ▁Saf ety ▁Administration ▁found ▁some ▁drivers ▁have ▁ex ited ▁their ▁vehicles ▁without ▁first ▁selecting ▁“ PAR K .” ▁Such ▁behavior ▁may ▁pose ▁a ▁safety ▁risk ▁if ▁a ▁vehicle ’ s ▁engine ▁is ▁still ▁running