Telematics Control Unit – Design and Testing Considerations

The wireless connectivity between the modern vehicle and the outside world is possible due to the constantly evolving component inside the vehicle called the telematics control unit (TCU). Connecting the vehicle to the cloud enables new business models for the vehicle manufacturers and promises new safety and convenience related features for the drivers and passengers. The modern use cases powered by connectivity are far more than just providing over the air software updates. Adding a TCU to the vehicle and keeping it operational comes with its own set of challenges and hence demands a focused approach towards designing and testing TCUs.

In this paper we will discuss various features of the TCU, key design considerations, and also provide details on testing aspects that can help automotive OEMs and Tier-1s to ensure proper functioning of the TCU.

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