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Why am I able to read but not write data into many ECU's?

239 Views 0 Replies Create Time: 2024-01-10 16:14:41

  •   Level 2   
    (10) points

    2024-01-10 16:14:41
    My Autel im608PRO is able to read many ECU types, but often there's no option to right back to the ECU chip. For example, I have a Bosch ME17.5.6 Volkswagen engine ECU.I'm able to read flash and EEPROM data from the bad ECU and it would be helpful if I was able to write data into a good ECU module. Same story with SPC56 microcontrollers.
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