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Got the battery ordered, Well hope for the best with drivetrain function improvement. At least I won't stall out anytime soon in an inconvenient locale. Thanks for the install tips! I'll updated if anything miraculous resolves with the drivetrain. Thanks, Gabriel

Gotcha, should I order the factory replacement model battery? I'm guessing that would match whats in there? The dealer is calling the module a communication module for lack of a better term. I don't think its the 3g communication module. I already replaced the high voltage cable. The 'module'...

Thanks Sparatus and Art! Yes, its still on its original 12v battery. Is there any indication that all these drivetrain errors could be due to the low/poor battery though? I'm open to replacing it if there is probability it could be associated, just didn't want to go guessing at replacing...

I noticed on some posts people replacing the 12v battery, could that have anything to do with it?

Thanks for the welcome! Yes, probably 2019. Its a REX model

Yes, AC is working fine

[img]Hi everyone, first post :) Thanks for hosting this dedicated forum! Done some hunting around on this topic before I posted. Seems like this is an issue for the early model i3's unfortunately! Mine is a 2014 with 51k miles, I'm in central California. This error message came up a few times...