check engine light is out
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, check engine light is out in Past Cadillac Vehicle Discussion; When I turn my key forward or turn my car on my check engine light does not come on at ...
  1. #1
    mizbrece06 is offline Cadillac Owners Member
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    check engine light is out

    When I turn my key forward or turn my car on my check engine light does not come on at all...I changed my cluster but its not the cluster because it is still out so could someone help me... its a 2003 cadillac deville...

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  3. #2
    basscatt's Avatar
    basscatt is online now Cadillac Owners Master
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    Re: check engine light is out

    Quote Originally Posted by mizbrece06 View Post
    When I turn my key forward or turn my car on my check engine light does not come on at all...I changed my cluster but its not the cluster because it is still out so could someone help me... its a 2003 cadillac deville...
    ---------------------
    when you turn the key to the ON position -
    the SERVICE ENGINE SOON light should illuminate
    and remain on until the engine starts -

    if it does not - the bulbs are burned out -

    have you checked for DTC's - codes?

    how do you know the SES light worked on the replacement cluster?

  4. #3
    mizbrece06 is offline Cadillac Owners Member
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    The service engine soon doesn't show up either. After the mechanic changed the cluster he said it wasnt the cluster he also said that maybe the wires may have been cut to get the check engine light off I dont know because I havent had the car 30 days...

  5. #4
    basscatt's Avatar
    basscatt is online now Cadillac Owners Master
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    Re: check engine light is out

    Quote Originally Posted by mizbrece06 View Post
    The service engine soon doesn't show up either. After the mechanic changed the cluster he said it wasnt the cluster he also said that maybe the wires may have been cut to get the check engine light off I dont know because I havent had the car 30 days...
    -------------------------------
    The service engine soon doesn't show up either -
    SES is the "proper" name of the "check engine" light - same thing -

    the bulbs are soldered onto the printed circuit board of the cluster -

    the actual bulbs might be "monitored" by the system -
    and they might set a fault code -

    I suggest checking for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -

  6. #5
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: check engine light is out

    If the previous owner cut the wires to or somehow disabled the SES, that's a federal offense. Probably needed to hide an emissions defect in order to sell the car. It's your can of worms now - 30 days of your ownership and he's off the hook - "Hey, it worked when I sold the car !".

  7. #6
    mizbrece06 is offline Cadillac Owners Member
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    It hasn't been 30 days yet & the code is 0741...

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    Torque converter clutch circuit performance or stuck off

  8. #7
    70cougar is offline Cadillac Owners Enthusiast
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    Re: check engine light is out

    Code P0741 will set the SES light, if the light is working, and will cause you to fail emission testing if you have those where you live (and the tests find the fault even if the light is off).

    Cost to fix is minimum $1,500 as engine and transmission have to be lowered down to get at the side of the transmission, so lots of labor hours. If a dealership does it, expect $2,500+.

    Some people who don't have to pass emissions, just let it go with only downside being a loss of about 1 or 2 mpg in mileage.

  9. #8
    mizbrece06 is offline Cadillac Owners Member
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    When u say it will set the ses light do u mean once I get that code fixed the light should come back on???

  10. #9
    70cougar is offline Cadillac Owners Enthusiast
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    Re: check engine light is out

    No, as long as the code is present and current, the SES light is supposed to be on. Fixing the TCC will cause the light to go off.

    As Sub said, it sounds like prior owner shut off the light somehow (cut wires...) to sell the car. Caveat emptor.

  11. #10
    mizbrece06 is offline Cadillac Owners Member
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    Ok thank u, I guess I just got ripped off which really sucks...

  12. #11
    basscatt's Avatar
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    Re: check engine light is out

    Quote Originally Posted by mizbrece06 View Post
    Ok thank u, I guess I just got ripped off which really sucks...
    --------------------------
    maybe you don't under Sub's point -

    disabling the SES light is against the law - for ANYONE to do it - IT'S FRAUD -

    if I were you - I would contact the original seller -
    and either insist on returning the car for a full refund -

    or insist they cover the cost to fix the problem -

    if they don't agree - you can take them to court - AND YOU WILL WIN -

  13. #12
    Ranger's Avatar
    Ranger is online now Cadillac Owners Member
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    Re: check engine light is out

    But you will have to prove that he disabled it and knowingly withheld the information.

  14. #13
    mizbrece06 is offline Cadillac Owners Member
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    Oh ok thank you for the info... I have called the guy who sold me car & he told me to come to the car lot tomorrow so hopefully he gets the issue resolved or I will take him to court...

    ----------

    Being that I bought it from a car lot wouldn't they have known it was cut??? He wasnt even going to mention anything about the light until my husband brought it up & he said it was jus a bulb blown & that wasnt the problem... he told me the only thing was wrong with the car was it needed an o2 sensor so I fixed that then come to find out that it needs a torque conveter also...

  15. #14
    Ranger's Avatar
    Ranger is online now Cadillac Owners Member
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    Re: check engine light is out

    If you bought it from a lot you'll have a much harder time prosecuting. Car lots simply flip cars and put as little money into them as possible. Move 'em in and move 'em out. They get them on trade or from the auction and that pretty much insulates them from liability. Most won't do something illegal like disabling the SES light or clocking the odometer anymore.

  16. #15
    mizbrece06 is offline Cadillac Owners Member
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    Ok thanks ...

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