IMA Battery pack - replacement recommended. on Honda Civic Hybrid

Average mileage: 80,925 (29,000–157,000)
2 model years affected: 2007, 2009
7 people reported this problem
4 people shared problem details
I have had three episodes where the check engine and the IMA lights came on. Also noticed that the charge indicator on the battery would jump around wildly. Engagement of the IMA motor was herky jerky. Dealer says that they have ordered a new IMA battery and will replace it under warranty. Curious to see if this corrects the problem. My suspicion is that the battery was bad from the get go as this car has never performed as well as my 2007 which has never had a problem. THis might explain a lot of complaints. Battery is now replaced. Still don't get the mileage that I do with the 2007 (as a rule, never above 37) but much better now.
Have extended warranty and glad I do! I know this can be an expensive repair. There was no warning or anything leading up to this, average winter day 33*. This is the 2nd time I have had this issue, also occurred around 42k miles as well, another replacement fix.
Battery pack bad, replaced with a refurbished one.
2nd time ima light went on, 1st time when i had less then 1,000 miles and now at 65,000?
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