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CANBUS Question

Discussion in 'General Electronics Discussion' started by john2k, Nov 11, 2019.

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  1. john2k


    Jun 13, 2012
    New to this CANBUS thing and trying to figure some stuff out. Can anyone tell me are all the CAN High and CAN Low signals throughout a cars network all the same? So for example if my instrument cluster has a CAN-H and CAN-L wire. Will running the CAN-H and CAN-L from the OBD port give the same access to the CAN network?
  2. narkeleptk


    Oct 3, 2019
    No not always. Even tho the DLC's can+/can- will connect to the module it may be designed to go through other modules or through a gateway first, So directly splicing a module into the DLC will not always work. You will need to take a look at diagrams for what your working on to be sure.
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