How to manually read CEL?
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Cadillac STS Forum - 2005 through 2012 Discussion, How to manually read CEL? in Past Cadillac Vehicle Discussion; My check engine light came on after startup after not driving my car for a week or so, how can ...
  1. #1
    The_Punisher is offline Cadillac Owners Member
    Automobile(s): 05 STS
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    How to manually read CEL?

    My check engine light came on after startup after not driving my car for a week or so, how can I manually read the CEL?
    Tried searching but didn't come up with anything, thanks

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  3. #2
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
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    A GM tech 2 or similar can bus enableded scanner. No on board diagnostics anymore.

  4. #3
    carter's_sts is offline Cadillac Owners Connoisseur
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    There are lots of scan tools on ebay. I got mine for about 50 bucks.

    The GM Tech II would be nice to have, but really pricey.

  5. #4
    The_Punisher is offline Cadillac Owners Member
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    Re: How to manually read CEL?

    Why would they do away with manually scanning a cel?
    My 06 Ram can manually scan as well as my 2010 370Z >_<

  6. #5
    1BadCadSTS's Avatar
    1BadCadSTS is offline Cadillac Owners Connoisseur
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    Congrats? Pay to play. I have a modus and I can read live sensor readings built in obd cannot.

  7. #6
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    Quote Originally Posted by The_Punisher
    Why would they do away with manually scanning a cel?
    My 06 Ram can manually scan as well as my 2010 370Z >_<
    My guess is as good as yours. My 2001 STS had it...really miss it.
    Past Cadillac's

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  8. #7
    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
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    Re: How to manually read CEL?

    Why?

    Because they can.

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