FormulaFlash software 1.0.0.6 adds GM Deleco E83 ECM bench mode IMMO Off by one-click. iECUtool.eu here shows how to do E83 IMMO OFF.
Quick search E83 ECM and select vehicle model and year.
Choose Bench mode
Check wiring diagram
Connect formulaflash with E83 ECM following diagram
Connect ECU.
Fisrt read and save FLASH.
Then hit IMMO OFF and press Yes.
IMMO OFF in progress.
IMMO OFF successfully. Press YES to write data to the ECU.
Write IMMO OFF data to ECM successfully.
FormulaFlash will read Delco E83 ECM via OBD as well. But only bench mode will do one-click IMMO OFF.
