Psa Interface Checker 440 Verified Jun 2026

Open your main DiagBox installation directory on your computer ( C:\AWRoot\bin\fi\ ). Locate the configuration text file named APPLIUPD.ini . Open the file in Notepad, find the setting line labeled MAJ_COM=TRUE , and change it to MAJ_COM=FALSE . This disables automatic firmware rollbacks. If youg., v7.83, v9.91, or v9.150) you plan to run.

The Interface Checker bypasses DiagBox to perform several core tasks: psa interface checker 440 verified

Tool 440 does not generate DTCs, but it helps confirm causes of these common DTCs: Open your main DiagBox installation directory on your

Click on Downloading . A progress bar will fill as the hex code is written to the flash sector. Do not disconnect the cable during this cycle. find the setting line labeled MAJ_COM=TRUE