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[Obsesi0n]

Hello.

Today im trying to upgrade my MY2014 BMS from v52 to v60 and when i finished my BMS was completely dead. no leds, no start, no connection ttl and can.

I have Jtag equipment, i can read SPI, i can solder.

I would like to see if anybody could help me, please?

Thanks.

[Obsesi0n]

I finally managed to fix it. I only had to change the controller and the two memory ic
Reading my first message now I see that my way of asking for help was not too polite for you. sorry

[DerKrawallkeks]

Hey Obsession,

You asked very polite, don't worry. The question was just way above the skills of most people here. Noone has fixed a BMS by soldering new memory chips;)
Most people are still trying to figure out how to read UART, not many have used JTAG or SPI for example.

So your electronic skills are just a bit too high for this general motorcycle forum.
What "controller" did you change?

Congratulations on the repair, very impressive!! Will get back to you with all my electronic questions:D
Best regards
DerKrawallkeks