fiat logic key

[emanuel2010]

hi.please logic key blue for t5 this fiat old. blue key is 86 72 F7 9F.thank you.

[keygargoil]

key data bytes 2086c2df2e = ff813458b2d7bd64

[emanuel2010]

Thank you.qestion-car lost all the keys.2086c2df2e is master key?if so, it's possible to lose synchronization with the ecu?many thanks again

[keygargoil]

i think this was key 2 if i remember anyway these boxs do lose sync when the battery gets low or you spike the ecu with jumper pack etc

[emanuel2010]

thank you.problem solved.car started.