Renault SID309 ECU Read Error with Xhorse Multi Prog Explained

Question:

Xhorse multi prog failed to read the Renault Continental ECU SID309.

The error is: pflash unprotection failed — connection failed.

This ECU is currently not supported by multiprog.

sid307, sid309 and sid310 have Tprot password active; if you don’t find before password through obd then you can’t have access to boot.

What tools to read Renault SID309 ECU?

Foxflash/Flex is good in boot mode. PCMFlash safe by OBD.

Autotuner/Flex/x17/kess3 can read full flash and eeprom by obd.

Read also:

http://www.pcmtuner.org/is-it-safe-to-read-renault-sid309-ecu-with-foxflash-via-obd/