ford focus 2010 strange problem

hello guys
i have ford focus year 2010, 1.4 petrol. sometimes the car doesn't start ( almost when is hot ) , and i have dtc U0155- LOST COMMUNICATION WITH THE INSTRUMENT PANEL CLUSTER CONTROL MODULE.
i opened instrument cluster, solved everything and same problem
i changed instrument cluster and same problem (the problem came after some km drive or when the car is hot )

any help guys?

regards