One problem related to 12v/24v/48v battery has been reported for the 2015 Subaru Forester. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Subaru Forester based on all problems reported for the 2015 Forester.
The contact owns a 2015 Subaru Forester. The contact stated after turning the vehicle off, the next morning the vehicle would not start. The vehicle was taken to the local dealer who diagnosed that the battery was faulty and needed to be replaced. The battery was replaced, and the failure was remedied but reoccurred. The contact indicated that on at least four separate occasions, the battery had failed and had been replaced. The cause of the failure was not yet determined. The manufacturer was not notified of the failure. The approximate failure mileage was 30,000.