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So much conflicting info on the internet... hopefully you guys can give it to me straight. I have a 2017 Camaro 2SS... A lot of instructions/documentation states the ECU has to be unlocked on 2017+ by sending it in for an "unlock". But it sounds like HPTuners devices will handle that on 2017+ (maybe up to 2020 from what I read above?) without having to send the PCM/ECU in anywhere?
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