I found a TSB that may be related to your no start issue. I've provided it below for your review. If you would like assistance setting up an appointment please feel free to send me a PM!
NUMBER: 08-058-15
SUBJECT: Vehicle Will Not Start
OVERVIEW: This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software.
MODELS: 2015 (BU) Jeep Renegade
NOTE: This bulletin applies to vehicles built on or before March 02, 2015 (MDH 0302XX).
SYMPTOM/CONDITION: A small number of customers may experience an intermittent no crank situation when attempting to start the vehicle. This condition is corrected by updating the BCM with the latest available software.