User tested report: Xhorse Multi Prog cloned Jeep Compass 2021 GPEC3 ECM/ECU/PCM successfully and FC200 failed.
Select Jeep- Compass- FCA Continental GPEC3
Check boot mode wiring diagram
Connect multi prog programmer with ECM via ECU adapter. Pay attention to the boot pins.
We have backed up the original ECM eeprom and flash.
Upload original EEPROM and write to the donor ECM.
Write eeprom successfully. Then write flash to the donor ECM until completed.
GPEC3 cloning is done.
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