ECU differences

Smaay

Member
What exactly is the difference between the 90 and 93 ECU? I have a 90 and the GF just got a 93. Why cant I use my AEM EMS on it?
 

Smaay

Member
ok i compared Engine Control documents and several pins are moved. Is that it only pin location? there isn't some sort of weird logic im not seeing?
 
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