I have a 2.5L 2011 VW Golf which I replaced the battery on and never did any sort of coding or anything. At what point did these cars get smart to the point that you needed to code the new battery for the charge controller and all that to work properly?

 

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I replaced my OEM battery earlier this year.

I couldn't find any coding as there is no VIN label on the new battery.

https://forums.ross-tech.com/showthr...Battery-Coding


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