citroen c8 ecu problems

[m300td]

hi all could anyone help before there is another c8 going to to highway in the sky!!
when doing a global test with lexia I cannot communicate with injection ecu the drivers door module and the passengers door module
I get diaogule yes fault ? when I try to do a read I just get communication error I cannot communicate with the additive ecu
all seams a little strange engine starts and runs sort of (that's another story) all fuses are ok any help would be much appreachated
malc

[wheeler]

Have you tried your lexia on another car ?