Thank you for the clarification, that sure explains some of the weird PR-codes. FWIW, it never hurts to tell the full story up-front - usually saves us a lot of questions.

Were the car(s) stored with the battery disconnected and/or did the battery die in the process and/or was completely discharged? Some of the ideas posted above may still apply, due to low voltage conditions it isn't impossible that the immobilizer information in the cluster was corrupted. In order to look at this closer, please provide the following information...

#01 (Engine) > Adaptation - 10 > Channel 91 > What is the current Value?

#17 (Instruments) > Meas. Values - 08 > Block 001, 002 & 003 > What are the current Values?