Error
Last week I was TUNING 2002 Camaro. Everything went fine .
Today he came in asking me to adjust the shifting points for him .
I hope that the car up made the adjustment needed and tried to upload the program .
It is not happening I can't upload anything . It asked me to make a full flash , and one I tried to do so it takes me out saying I am not allowed .
Could this guy have changed his PCM ??
If so how can I tell ? Wouldn't EFI ask me for new license ?
I tried uploading on another vehicle and everything seems fine .
If I press OK it will ask me to reflash without the high speed . I did " it is giving me the same message "
Also , I have reflash the PCM with the latest GM software using the Tech2.
Same thing …. Same message
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