How to connect pcmtuner/pcmflash to Iveco Bosch EDC17C69/EDC17C49 ECUs?
There are 2 possibilities for canbus on these ECUs. You must use a capacitor on Iveco edc17c49 even with the original pcmflash and scanmatik (capacitor 10uf must be used for gpt1).
Always fix is a capacitor in serial with GPT1 10uF or 100uF and extra ground at pin 21.
Bosch EDC17C69 ecu pinout diagram
Bosch EDC17C49 ecu pinout diagram
How to read Iveco EDC17C49 with PCMTuner without opening ECU?
Set up pcmtuner usb dongle, hardware and ECU connection following the wiring diagram above
In PCMTuner software, select Iveco- Daily- EDC17C49- Bench mode
Check instructions and make bench connection
Then press Read and Write
Use module  Bosch MEDC17 (TC1724/1728/1767/1782/1784/1797) FLASH
Read data until completed