TCU replacement

[yazan]

Hello Guys ...

I have replaced my embedded modem (the telematic control unit) with new one (4g) to activate my ford mobile app , but the surprise I have this code U0100 (lost communication with ECM/PCM !!!
Any one can help in this issue ...


My car FFE 2012

Thanks >>>

 

[Guest]

Hello Guys ...

I have replaced my embedded modem (the telematic control unit) with new one (4g) to activate my ford mobile app , but the surprise I have this code U0100 (lost communication with ECM/PCM !!!
Any one can help in this issue ...


My car FFE 2012

Thanks >>>

Im assuming that you had this done at the dealership. Because there is more involved in this than just swapping out the modem. There needs to be some programming with the scan tool. Does the modem esn show up in the sync settings?

 

[Dobrinia]

I have same error...