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Thread: CR1081 J1939 Library Question

  1. #1

    Default CR1081 J1939 Library Question


    Working on integrating the CR1081 on a Detroit Diesel engine. Having some communication issues between the display and the engine.

    I think my challenge is related to the J1939_DM1RX library. Not sure what to list for the DA byte for Destination Address. It says 254 to "read DTCs from the device itself." Is that referring to the display or the engine?

    How do I find what the Destination Address for my ECU is?

    Customer is using it with CR0303 controller..

    Thanks in advance for your help!

  2. #2
    Join Date
    May 2009
    Minneapolis, MN


    Normally for an engine ECU that would be address 00.

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