Tearing down a car telematic unit (and finding an accident on Facebook)

Introduction Modern cars are highly connected electronic systems. Over the last decade, vehicles have seen a rapid increase in connectivity, with multiple ECUs communicating internally but also with external networks. Telematic units (TCUs) play a key role in this evolution, enabling cellular communication and emergency calls (eCall). This rise in connectivity has been accompanied by changes in vehicle electronic architectures, moving from simple, isolated ECUs to complex, centralized or domain-...