Here is the solution to Foxflash  Mercedes Benz CRD2 or DCM3.5 ECU read ok but failed  to write problem.  For example:  Ecu Delphi CRD2.30 OM651 Mercedes Sprinter 95KW 906 Ecu read obd file is  done ok Ecu write errors, Write gets to 0 percent now it's a non starter    Solution:  Kess v2/ kess3  for write, foxflash bricked to write. You must write  in recovery option with kess the file of read foxflash. Write original file back  with kess in recovery mode.  You can also use flex do recovery then start then kess read/write no  problem. We recommend bench on this ecu. Obd protocols i skip if  possible.  Feedback: Recovery by clone kess and read and write van  now started.   www.iecutool.com