Figuring out Should your ECU / DME has unsuccessful and what faults are current is the initial step in replacing or repairing your harmed . The most elementary exams to determine Should your ECU / DME has failed are: OBD fault codes - Most diagnostic scanners can study fault codes https://bmwecu80122.ka-blogs.com/83295790/not-known-details-about-ecu-audi-q7-2007