Foxflash Read and Write MEDC17.9 OTP via OBD on Bench

 OBD on the bench reading the MEDC17.9 with foxflash programmer+ godiag gt100 breakout box. I want to try and write the modified files via OBD after an OBD read. The ECU data that had been corrupted is now all OK.

Updated:

I have had an interesting case with this ECU MEDC17.9 that had failed and had the OTP block. I read the Full flash via OBD, had the flash modified to delete CAT/AdBlue/DPF and EGR (use a tuning file service). When I got the modified file back, I decided to write it via Bench mode. I did the checksum correction using the original flash and flashed it via Bench mode 100% without any problems. The car is now starting and has no faults whatsoever and drives very well. We had brought it on a flatbed. Another great success with FoxFlash and a bit of experimenting.

Read via obd on bench

Foxflash Read and Write MEDC17.9 OTP via OBD on Bench

Foxflash Read and Write MEDC17.9 OTP via OBD on Bench

Write on bench

MEDC17.9 bench pinout to fox flash

Foxflash Read and Write MEDC17.9 OTP via OBD on Bench

To read and write use the following driver:
→ BENCH TRICORE
→ JAGUAR
→ TC1793 — JAGUAR
→ MEDC17.9

Attention:
Some MEDC17.9 enter in Bench mode with another CAN line. If with the previous pinout doesn't go in bench tricore mode, then try again by connecting it as follows:

Foxflash Read and Write MEDC17.9 OTP via OBD on Bench

Foxflash Read and Write MEDC17.9 OTP via OBD on Bench

Foxflash Read and Write MEDC17.9 OTP via OBD on Bench

Car starts fine

Foxflash Read and Write MEDC17.9 OTP via OBD on Bench


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