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Thread: C6 2005

  1. #1
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    Default C6 2005

    2005 C6 throws up random warning, service soon, low fuel, anti-lock brakes abs lights, shocks inoperative, and more. Then you can shut it off and sometimes it will go away. And sometimes it will come back.

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    Do you know what fault codes are setting?

    Do you have the 2005 Service Manual?
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    Possible Bad battery


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    Quote Originally Posted by C6RACER View Post
    Possible Bad battery


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    Yup, sounds like a likely place to start! These cars are really dependent upon a good battery.
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    Quote Originally Posted by Toms007 View Post
    Yup, sounds like a likely place to start! These cars are really dependent upon a good battery.
    Yup! Experienced it me self! Battery was all good starting my car, but it did sound weak- weird things started happening. I replaced with a new battery and that took care of the dash giving me warning lights (active handling, service tire monitor, etc.).


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    I'll vote battery also .My strategy is if the car sets for 7 days put a tender on it ,if stored in the winter disconnect .Also every few years I get a new battery and put the old battery in my wife's car .I don't fully explain this process to my wife but she gets excited that I'm concerned about her well being .She also believes the car runs much better after I change the oil .
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    Quote Originally Posted by vett boy View Post
    I'll vote battery also .My strategy is if the car sets for 7 days put a tender on it ,if stored in the winter disconnect .Also every few years I get a new battery and put the old battery in my wife's car .I don't fully explain this process to my wife but she gets excited that I'm concerned about her well being .She also believes the car runs much better after I change the oil .

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    Quote Originally Posted by vett boy View Post
    I'll vote battery also .My strategy is if the car sets for 7 days put a tender on it ,if stored in the winter disconnect .Also every few years I get a new battery and put the old battery in my wife's car .I don't fully explain this process to my wife but she gets excited that I'm concerned about her well being .She also believes the car runs much better after I change the oil .
    Suggest you NOT disconnect battery if you have a GPS clock in there.
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    Quote Originally Posted by compyelc4 View Post
    Suggest you NOT disconnect battery if you have a GPS clock in there.
    Well Ted this has long been a debatable issue .I worked at Bowling Green and I asked engineering what were the thoughts pertaining to this issue .Yes it may require indexing windows and a couple other items but that's it .In some of the C5 and C6 owner manuals disconnect for long term storage is recommended .

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    Quote Originally Posted by vett boy View Post
    Well Ted this has long been a debatable issue .I worked at Bowling Green and I asked engineering what were the thoughts pertaining to this issue .Yes it may require indexing windows and a couple other items but that's it .In some of the C5 and C6 owner manuals disconnect for long term storage is recommended .
    The GPS clock issue has nothing to do with long-term storage, indexing windows, reprogramming radio, or anything else like that. If you have a GPS clock, and maybe you don't, and your vehicle is less than a 2011 I believe, you will lose your clock permanently if you disconnect the battery from the system. Are you aware of the situation? If you have no GPS system or a more modern one in your Vette, then not to worry.

  11. #11
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    2008 3lt with nav .

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    Quote Originally Posted by vett boy View Post
    2008 3lt with nav .
    Then please let us know if your GPS clock works after you disconnect the battery. I hope your clock still works, but I'll bet it does not.

  13. #13
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    Every year since 2003 I drive my corvette from Maine to Florida and place it in a self storage near the Orlando airport .I disconnect the battery until I fly down a couple times a month connect the battery and away I go .I would guess my 08 has been disconnected 30 or more times and other than indexing no problems .

    So your saying if someone changes out a battery or service requires a disconnect your clock is toast .Every one who owns a C5 or C6 on this forum has disconnect the battery for one reason or another .

    I'm not egging on ya but please explain how you plan to replace the battery when it's time for replacement without disconnecting .
    Last edited by vett boy; 08-22-19 at 06:45 PM.

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    Quote Originally Posted by vett boy View Post
    Every year since 2003 I drive my corvette from Maine to Florida and place it in a self storage near the Orlando airport .I disconnect the battery until I fly down a couple times a month connect the battery and away I go .I would guess my 08 has been disconnected 30 or more times and other than indexing no problems .

    So your saying if someone changes out a battery or service requires a disconnect your clock is toast .Every one who owns a C5 or C6 on this forum has disconnect the battery for one reason or another .

    I'm not egging on ya but please explain how you plan to replace the battery when it's time for replacement without disconnecting .


    Not trying to get in the middle too much, but there are memory savers than can be plugged into the OBD2 port to save memory in the computers while changing out the battery.

    Also I have read about problems with owners losing their clock after disconnecting the battery in certain model C6's. I believe there might be a post on this site about it.

    Ok I'm done. No offense intended.
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    Quote Originally Posted by LLC5 View Post
    Not trying to get in the middle too much, but there are memory savers than can be plugged into the OBD2 port to save memory in the computers while changing out the battery.

    Also I have read about problems with owners losing their clock after disconnecting the battery in certain model C6's. I believe there might be a post on this site about it.

    Ok I'm done. No offense intended.
    None taken ,so I will except possibly being half wrong .

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