One problem related to battery cable has been reported for the 2015 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Ford F-150 based on all problems reported for the 2015 F-150.
While parked, with engine off, had not been running, keys out of ignition, the engine cooling fans come on at high and will not go off until battery cable disconnected. Upon reconnecting cable next day, fans come on high again. Has happened several times. Has killed the battery and fearful of electrical fire.