Reading stock tune file

Reading stock tune file

 

(Download if not yet installed) OPEN EFI scan/ tune tool on laptop
Plug OBD 2 cord into autocal and OBD port on truck
Plug USB cable into autocal and other end into computer usb port
Turn Key to ON position
Open EFI live scan and tune
Click F3 TUNE
F2 READ
Click Auto-Detect
Should see green check mark showing connection to truck after auto-detect
Select Controller you want to read ( ECM or TCM )
Click READ button
Do NOT touch anything until EFI live finishes reading ( several minutes )
Turn key off once script is finished
Wait until countdown ends
Click Save button
Save file to folder or desktop.
Attach file to email

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