Oki thanks for the help so far, im sure ill have more questions once ive had time to analyze the flash closer. My current reads give "random" data on some bits would indicate a bad solder but ive trippel checked everything so its probably a bad chip, im gonna try to reconstruct the data us...

Oki

Can the Crypto key be obtained from any unit inside the car or does it only live in the CEM?

Also wondering the 10 on / off power flip, what does that actually do? reload firmware to stock without overwriting key data?

Yes the ECM has the Sync keys or IMMO key as some say (can be changed as long as its the same in both CEM and ECM) so that one is no problem. I also do have a dump of the "small chip" so someone said Physical carkeys however the codes from the Transponders inside them is trashed.(or i gues...

Hi i was wondering if someone had any information om the following things so i could fix my car its a S80 T6 from 00. My CEM is corrupted due too low battery voltage Ive read the ECM and CEM flash using external hardware readers and can compare "sync" keys and see that they dont match i ca...