One problem related to car will not start has been reported for the 2015 Honda FIT. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Honda FIT based on all problems reported for the 2015 FIT.
Rodents chewed through wires due to soy wiring. Car would not start, but had some issues with acceleration previously that were likely also related to chewed wiring.