Quote:
Originally Posted by steve99
Your car doesnt not have the latest ECU firmware ZA1J700G is and old version and was unpdated specificly for cam and idle issues your car should be running ZA1JA01G thats 3 revisions up on 700G there was 900G A00G and A01G
The upgrade may not fix problem but A01G was released to fix some cam issues idle issue and also transient retard issue
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Is it possible to update the calibration without going to Toyota dealership?
I have the latest TechStream and cable.
I requested this to Toyota but they don't know how to do this
