FrankB Posted Monday at 12:00 PM Share Posted Monday at 12:00 PM The Battery failed in October, I found flat at 5v one morning with the boot lid open. The night before had been Halloween so not sure when or how the boot lid became open or was left open. Either way the courtesy light should not have drained the Battery after only 8 to 12 hours. Got a jump start and took it to the local deler. The Battery was replaced free although it was just out of warranty. That was nice. But then it was the 4th Battery on ths car. The 3rd was shortly after I bought the car, the 2nd I found out about when discussing the failures, it was shown on the maintenance records. The dealer cannot explain what is happening with the battery failures. The charging system is fine. There is no obvious drain on the battery. The dealer did say that they had other Subaru batteries fail. Is this a common issue with Subaru batteries? Quote Link to comment Share on other sites More sharing options...
Delta Mike Posted Monday at 08:43 PM Share Posted Monday at 08:43 PM You say "There is no obvious drain on the Battery." How did you come to that decision please? Did you, for instance, measure the IOD? IOD = Ignition Off Draw, which is notoriously difficult to measure. Quote Link to comment Share on other sites More sharing options...
Tidgy Posted 6 hours ago Share Posted 6 hours ago Gone through a few on mine in the past 18 months and turns out there was a fault on the charging circuit. Quote Link to comment Share on other sites More sharing options...
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