Foxflash ecu master tool read and write EDC16C3 PSA 1.4 HDI by OBD, Checksum ok by the tool, the vehicle starts ok.
OBD just read flash data. Reading 6 minutes, writing 1.22 minutes.
If need to read/write both eeprom and flash, you need to read it on bench.
BOSCH EDC16 C3 [ MPC556 ] – Citroen, Peugeot [Diesel] Pinout to Foxflash
Connect the multifunction cable as follows, use the Bench Box:
To read and write use the following driver:
→ BENCH MODE
→ MPC555/6 – [brand]
→ EDC16 C3