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![]() Drives: Zl1 Join Date: Feb 2017
Location: Washington
Posts: 195
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Help with auto cal needed.
So i did headers, no cats and lower pulley and am trying to pull a authorisation code from ecm into the auto cal and i cant get it to read. I have found plenty of directions on the 2017 and it looks like i am doing it right but for the life of me i cant find the code in the software to send to my tuner. Anyone had this issue?
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