PCMTuner Read and Write Citroen Denso 4N13 ECU via OBD

Is it safe read write flash file from this Denso ecu (4N13) using pcmtuner via OBD?

Car- 2012 Citroen C4 aircross, 1.8 d, 110 kw.

I have tried to read with module 26 (identify and read ok, but afraid to write).

Yes, go for it. pcmtuner read and write Denso 4N13 via OBD.

It will read, write and do checksum.

If failed, try do it on bench.