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  1. #1
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    Aug 2019
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    Default cm871 to cm870 urgent help

    hi everyone, i removed a cm871 ecm and installed a cm870 ecm on a 2007 international pro star
    but now oil temp and water temp are not getting populated on the cluster gauges.
    the cluster receives and drives rpm oil press and engine speed correctly over j1939.

    i had to modify wires for tps and and now acelerates good, ecm recives commands from source address 33
    cab controller for engine brake cruise and another functions, but it looks like the cab controller does not understand
    coolante temp and oil temp messages from source address 0,

    also cab controller displays a fault code "source address 0 network error"

    anyone knows something about this?.

    thanks for your time.

  2. #2
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    Oct 2018
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    Default

    Look for the outputs of these temperature sensors in the diagram, the outputs of the signals may be different, so I understood everything else works well.

 

 

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