CAN Bus

https://makezine.com/2016/04/08/car-hacking-tools-trade/

Types:

  • High Speed (Differential); usually ~500 kbps, rarely up to 1mbps

  • Low Speed (Single Ended); non-critical such as light, door etc. control

  • Fault Tolerant (cut wire defaults to low speed; air bag)

  • CAN FD (newest)