Formula 413, my car has around 105K miles on it. The emission control light has been going on and off sporadically for several years, and finally the IMA light came on. That's when I went to the dealer and got three codes: P1601, P1447, and P1420 (for the catalytic converter). My mpg is lower than it used to be, but I haven't paid attention to the charging levels, etc.
Honda probably would work with you, based on all the online chatter about how poorly some of their batteries perform. Mine's long out of warranty. Good luck with it!
Cindy
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