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CAN Higher Layer Protocols Q & A
J1939, CANopen, and UDS- Your questions answered by our experts!
CAN Bus Diagnostics Q & A
Practical CAN troubleshooting. Your questions answered by our expert, Gary Marrs.
How to Diagnose a Controller Area Network (CAN)
Before CAN bus gained popularity, vehicle wiring harnesses could contain miles of copper wire which significantly added to the cost and weight of the vehicle. CAN bus was originally designed to minimize copper wiring in automobiles by multiplexing electrical signals over a simple two wire network. By using a high-speed twisted pair cable, the amount of wire necessary to allow sensors, actuators and controllers to communicate was greatly reduced.
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