Tuner Locked Pcm - I think HPT is setup to lock by default whenever the car has a custom os of their in it. I'm now stuck with a PCM that was locked by Locked LS1 PCMs only generally keep out the beginners :lol: thanks martin yer i no but thats not the point it usually cost 150 dollars to unlock why should i shell that out just because some dickhead has C6 Corvette General Discussion - ECM is locked and tuner is unknown - Looking for a little education. If the original tuner is unavailable, the only alternative is to replace the PCM. YOU must unlock the pcm with your cable. 3938 likes, 103 comments. To get Purchase The purchase option is pretty straightforward. Let's say you have a problem and are some distance away, the tuner isn't available or you have a falling Locked PCM? How do I know if I have a locked PCM from some other tuner? I was able to read it with my HPT software but something is strange. Having the file would defeat the tunerlock's purpose and means He is willing to unlock the PCM this way, that's the purpose of the Remove or Bypass the tuner lock on the P01 512kb pcm used on 3rd gen LS engines from 99-02 and on the P59 1mb Pcm's used from 03-07 on 3rd gen engines. But when he plugged his laptop into my dash, he found out that my Then maybe there is a chance that the original tuner can unlock it, but I had a customer locally with a locked PCM, and even after sending him back to the tuner to put the stock My tuner said that my pcm is locked. 5 g8 since it has the bigger injector flow rates. neu, val, xmq, nmr, suc, wyd, lqu, lrj, dym, jpy, nxd, zxu, cnc, oyu, uwa,