HCM module bricked after update

[DjTycka]

hi i wanted to try to update the HCM unit. i uploaded the latest available firmware 7s71-14084-ak. the update ended with a checksum error. can anyone help me? Mondeo mk4 lights with AFS

[fordsmax471]

try loading the old file again

[DjTycka]

Not works. Error with uploading ecu data

[fordsmax471]

you need to use the old car profile

[DjTycka]

[Why does the update end with a checksum error when it is firmware intended for the correct HCM unit?]

[fordsmax471]

There are many reasons, power, adapter, data speed, incorrect boot file, incorrect software file, etc. etc.
HCM is a security-critical module and may cause errors when updated with foracan.