I don't think there's any correlation. Mine is an early build '14 Limited; almost 5K miles on it and no problems.
__________________ Ordered 2/04/13, Built and Status KZ (Plant Release) on 2/19/13, delivered 2/28/13: 2014 Limited 4x4 in Bright White with Lt. Frost Beige interior; Hemi V8; ORA II; RA4 Uconnect. So far: 20% tint all around; black BT oil catch can; Jeep slush and cargo mats; DropStops; XtremeDigital 4300K low beam HIDs; 5000K LED fog lights; Airaid CAI with SynthaMax dry filter.