Hi to all i have one opel astra h 17 dtl 2006 yearthe car has been without a battery for a year when i put it in the car it did not start in diagnosis i cannot communicate with ecm and in abs and module cim gives me u2105 there is no communication with ecm i have tried another second hand ecm but it still does not respond did . Hi to all i have one opel astra h 17 dtl 2006 yearthe car has been without a battery for a year when i put it in the car it did not start in diagnosis i cannot communicate with ecm and in abs and module cim gives me u2105 there is no communication with ecm i have tried another second hand ecm but it still does not respond did . Astra h no ecm communication golden education world book document id 628fef72 golden education world book astra h no ecm communication description of astra h no ecm communication jul 11 2020 by mary higgins clark free reading astra h no ecm communication hi to all i. U2105 can bus no communication with ecm can bus no communication with ecm opel meriva 17 cdti u2105 fault code astra mk4 can bus no communication with ecm astra h can bus no communication with ecm what is a cause can bus no communication with ecm for astra 2015 opel astra h 17 cdti u2105 fault zafira cam bus not communication with ecm can bus no communication with ecmengine