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Telematic control unit

Automobile telemetry system From Wikipedia, the free encyclopedia

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In the automotive industry, a telematic control unit (TCU) is the embedded system on board a vehicle that wirelessly connects the vehicle to cloud services or other vehicles via V2X standards over a cellular network. The TCU collects telemetry data from the vehicle, such as position, speed, engine data, connectivity quality, etc., from various sub-systems over data and control busses. It may also provide in-vehicle connectivity via Wifi and Bluetooth and implements the eCall function when applicable.

A TCU consists of:

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See also

  • "What is a Telematics Control Unit & How does it Work?". loconav.com. 22 April 2022. Retrieved 2025-07-10.
  • "Automotive telematics control unit (TCU)". infineon.com. Retrieved 2025-07-10.
  • "What is a Telematics Control Unit (TCU)?". industrial.panasonic.com. 21 December 2022. Retrieved 2025-07-10.
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