When i do Fiat MJD9DF with foxflash over bench I have a problem with write- error full system locked. i have read bench file and modify file, when i need write it back, say me “locked”. Is it possible write over obd or when i try jtag mode will be unlocked?
Read what say your tool “USE OBD DRIVER”
Sure your ecu have sw 4L43 or hw001 or hw002, so the only way for write these ecu is by use obd driver, not bench driver.
Or open ECU, do it via Jtag boot mode.
Jtag is safe.
If do it with fox flash in jtag mode, check Jtag pinouts here