Xhorse Multi Prog Renault SID309 Connection Failed?

By | January 9, 2025

Question:

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

The error is: pflash unprotection failed – connection failed.

Xhorse Multi Prog Sid309 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.
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