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  • · Registered
    CTS
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    3 Posts
    Hey man can you e-mail me at zukedawg87@hotmail.com
    I had some questions about your LED tails ... Thanks alot

    · Cadillac Technician
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    11,054 Posts
    1. Yes it COULD be but it is hard to say
    2. It seems like the only other real possibility is a wiring issue between the ECM and TCM.
    I haven't seen this particular problem before so I can't really give you a specific experience answer.
    It looks like the TCM is losing communication from the ECM and setting a code then setting a code for a data parameter that it loses as a result.
    The issue could be in either.
    I have replaced more ECM's on those than TCMs but for a slightly different issue.
    I don't have a definitive answer for you but those are some things to consider.

    · Registered
    2005 Cadillac CTS 3.6L VVT
    Joined
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    1,062 Posts
    what kinda problem did you have with your cts? I'm asking because mine was due to a bad wheel speed sensor and I didn't take care of it for a while since 1 to 2 months ago when one of my rear wheel bearing was grinding very hard. I changed the wheel hub and no more p1793.
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