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2015 Chevy Cruze 1.4 Turbo Electrical issue

1238 Views 2 Replies Latest reply: 2020-06-19 21:16:09


  •   Level 1   
    (5) points
    BigOrange
    2020-06-17 15:47:12
    2015 Chevy Cruze RS 1.4 Turbo Car has no crank, no start. Car has u0100 code which is ecm/pcm lost communication. Also has communication bus off. Car has service traction, service stabilitrak, and service power steering warnings on the cluster. We have removed the ecu connections and cleaned them with no change. Also have added extra grounds to rule out that issue. Seems to be a faulty ecm, has anyone else ran across this issue? Any help would be appreciated, thanks
    Reply

  •   Level 10   
    (7578) points
    witsend

    2020-06-19 05:38:41 (Reply to:BigOrange)

     find out what modules share the bus that's down.I would unplug the modules one at a time  reconnect then proceed to the next until you see if the bus starts communicating
    Reply

  •   Level 7   
    (1473) points
    Kevin H

    2020-06-19 21:16:09 (Reply to:BigOrange)

    You will have to scan ALL modules and post the modules that you can not
    communicate with and the exact codes in each of the modules that you can
    communicate with. It's probably the high speed network. A quick test is a resistance
    test between pins 6 and 14 of the DLC. Should have 60 ohms. You don't have any after
    market devices tapped in to the data link do you?
    Reply
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