Fuel gauge and temp guage not working
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Fuel gauge and temp guage not working in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; I have a 2005 CTS and both my Fuel Gauge and Temp gauge are not working. Additionally I get a ...
  1. #1
    Dmosher669 is offline Cadillac Owners Member
    Automobile(s): 2005 CTS
    Join Date
    Aug 2013
    Age
    42
    Posts
    10

    Fuel gauge and temp guage not working

    I have a 2005 CTS and both my Fuel Gauge and Temp gauge are not working. Additionally I get a message that I need to service the Anti-Theft system. Any suggestions on where to start? I have a feeling this is out of my ability level, but I don't want to overlook anything simple..

    Thanks!!

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  3. #2
    Dmosher669 is offline Cadillac Owners Member
    Automobile(s): 2005 CTS
    Join Date
    Aug 2013
    Age
    42
    Posts
    10

    Re: Fuel gauge and temp guage not working

    After doing some searching of the old threads, these seem to be the classic symptoms of the ECU going out. I've found a couple places online that will sell me an ECU that has been programmed to my VIN. I'm fairly competent mechanicly, but typically only on older things without much in the way of electronics. Is this something that I could conceivably swap out myself? Or any other general thoughts?

    Thanks!

  4. #3
    =Javi='s Avatar
    =Javi= is offline Cadillac Owners Fanatic
    Automobile(s): 05 cts
    Join Date
    Jul 2011
    Posts
    197

    Re: Fuel gauge and temp guage not working

    yea it the ecm my car had it replaced about a mouth ago cost around $800 at the dealer

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