Quote:
Originally Posted by cjperformance
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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To do your 2017 ECM with HP Tuners, you do not need to send it in. You might need to be connected to the internet the first time that you try to flash it though, used to need that anyway. Something about security key supposedly, so the software needed to talk to HPT's server or something.
The TCM (trans controller) is the one on 2017-2019 models that needs to be physically sent in to HPT for an unlock before it can be licensed and tuned.