12v/24v/48v Battery Problems of Subaru Forester

Subaru Forester owners have reported 5 problems related to 12v/24v/48v battery (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Subaru Forester based on all problems reported for the Forester.

1 12v/24v/48v Battery problem of the 2016 Subaru Forester

Failure Date: 04/15/2022

I have replaced the battery 3 times since June 2020. The car battery dies after the car has sat for 8-12 days. We have had to get it jumped, towed and called an on call roadside service to replace.

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2 12v/24v/48v Battery problem of the 2020 Subaru Forester

Failure Date: 12/30/2021

The contact owns a 2020 Subaru Forester. The contact stated that the battery drained quickly, and the vehicle had to be jumpstarted after three days. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 2,000.

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3 12v/24v/48v Battery problem of the 2017 Subaru Forester

Failure Date: 02/01/2021

The contact owns a 2017 Subaru Forester. The contact stated while attempting to start the vehicle, the vehicle would not start due to battery drainage. The contact stated that the battery had to be connected to a battery charger after each use. The contact stated that the check engine warning lights was illuminated. The vehicle was not diagnosed nor repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 22,375.

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4 12v/24v/48v Battery problem of the 2015 Subaru Forester

Failure Date: 10/10/2019

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.

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5 12v/24v/48v Battery problem of the 2018 Subaru Forester

Failure Date: 10/01/2019

The contact owns a 2018 Subaru Forester. The contact stated that since owning the vehicle, the battery had been replaced three times. On each occasion, the contact stated that the vehicle failed to start up after multiple attempts. There was no warning light illuminated. The dealer had been notified of the failure and informed her that there were no recalls on the vehicle. The manufacturer had yet to be notified of the failure. The vehicle had yet to be diagnosed or repaired. The failure mileage was unknown.

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Other Common Electrical System related problems of Subaru Forester



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Forester Service Bulletins
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Forester Defect Investigations