2001 Deville Gas Cap Light
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 2001 Deville Gas Cap Light in Past Cadillac Vehicle Discussion; My gas cap light just came on, ive tryed opening and closing it several times, how do I clear this? ...
  1. #1
    godsdiablo's Avatar
    godsdiablo is offline Cadillac Owners Fanatic
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    2001 Deville Gas Cap Light

    My gas cap light just came on, ive tryed opening and closing it several times, how do I clear this? Where's the sensor? could it be a new gas cap?

    thanks

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  3. #2
    chubbyranger is offline Cadillac Owners Connoisseur
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    Re: 2001 Cadillac Deville Gas Cap Light

    What's a gas cap light? You Deville guys get some odd options...

  4. #3
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: 2001 Cadillac Deville Gas Cap Light

    There's no gas cap light in a 2000+ Deville. At least not in mine. I only know this because I just had a code thrown because of a loose cap.

    No light just a code. Not to mention that when you throw the car into diag mode the entire dash gets lit and I can assure you there is no gas cap light on the dash of my 01 DTS

    I often wonder if there were several version of the Deville made
    Ownership:
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    01 Deville DTS:
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  5. #4
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2001 Cadillac Deville Gas Cap Light

    There is a DIC message which says "check gas cap". Not sure just what years it applies to, but my 2002 went in for a replacement fuel tank pressure sensor replacement under recall some time in 2003. That pressure sensor trips the "check gas cap' warning. The Devilles were also subject to the same recall. (The recall campaign sticker is on the water pump belt cover on my car)

  6. #5
    godsdiablo's Avatar
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    Re: 2001 Cadillac Deville Gas Cap Light

    yeah thats what i meant the message, my bad, thank you

  7. #6
    Ranger's Avatar
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    Re: 2001 Cadillac Deville Gas Cap Light

    Might just be a bad or loose cap. Make sure when you put it back on you turn it till it ratchets. I just went through this with my daughter. She thought that she was damaging it so she stopped turning before it ratcheted. That was enough to eventually set the SES light on her car.

  8. #7
    godsdiablo's Avatar
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    Re: 2001 Cadillac Deville Gas Cap Light

    the light finally went off last night

  9. #8
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2001 Cadillac Deville Gas Cap Light

    godsdiablo, the way these cars are set up, if something trips a DIC warning message, it will stay on: 1. If the fault is permanent. 2. For 3 or so "successful driving cycles" during which the fault does not reappear, then it will turn off after the 4th or 5th start.

    If you were to pull the Diagnostic Trouble Codes (DTC's) from your car using the DIC (it's all built in, no need for a scanner. Read the stickys at the top of several of these forum pages) you would see the gas cap or tank pressure code had gone from "C" - current to "H": history now.

  10. #9
    codewize's Avatar
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    Re: 2001 Cadillac Deville Gas Cap Light

    You have an STS though right? Not a DTS? All I know is my SES light came on, no message, I forget the code (P0441 maybe?) but it was something to do with lack of pressure and when I read up on the message the 1st thing mentioned was to remove and replace the gas cap. I checked and it was not all the way tight. No more codes.

    Quote Originally Posted by submariner409 View Post
    There is a DIC message which says "check gas cap". Not sure just what years it applies to, but my 2002 went in for a replacement fuel tank pressure sensor replacement under recall some time in 2003. That pressure sensor trips the "check gas cap' warning. The Devilles were also subject to the same recall. (The recall campaign sticker is on the water pump belt cover on my car)
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  11. #10
    Submariner409's Avatar
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    Re: 2001 Cadillac Deville Gas Cap Light

    ???? My OP: "The Devilles were subject to the same recall......" ??? Post #5, "Yeah, ..............the message.......".

    Read the TSB on the recall for both Deville and Deville plus some other GM. The ultimate fix was the fuel tank pressure sensor. The campaign number was 03038A, and the earlier TSB (from 2002) has been superceded by a 2003 issue which seems to have deleted the 2001 series of vehicles from the latest recall. The codes now referenced are P0440 and P0442. I threw in the sensor recall because, if the gas cap procedure doesn't fix the light, the next step is a tad more complicated........

  12. #11
    godsdiablo's Avatar
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    Re: 2001 Cadillac Deville Gas Cap Light

    i have a Deville

  13. #12
    codewize's Avatar
    codewize is offline Cadillac Owners Master
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    Re: 2001 Cadillac Deville Gas Cap Light

    Sub; I was just saying that you mentioned you had a check gas cap message. But you have an STS.

    I'm not saying the recall wasn't for both. I'm sure it was the the messages and idiot lights are different from the Seville to Deville, as I'm sure you know.

    Odd how the 01 was removed from the campaign. I wonder why?


    Quote Originally Posted by submariner409 View Post
    ???? My OP: "The Devilles were subject to the same recall......" ??? Post #5, "Yeah, ..............the message.......".

    Read the TSB on the recall for both Deville and Deville plus some other GM. The ultimate fix was the fuel tank pressure sensor. The campaign number was 03038A, and the earlier TSB (from 2002) has been superceded by a 2003 issue which seems to have deleted the 2001 series of vehicles from the latest recall. The codes now referenced are P0440 and P0442. I threw in the sensor recall because, if the gas cap procedure doesn't fix the light, the next step is a tad more complicated........
    Ownership:
    91 Brougham d'Elegance 350
    02 Deville DTS
    01 Deville DTS:
    Custom installed Volant CAI
    Custom PCM
    Body color engine components
    Cruiser Alloy wheels
    EBC brakes and rotors
    Eibach springs
    Corsa exhaust
    Sportwing Spoiler
    Semi-custom interior
    Custom quad Hi-Beams
    Future Plans: More interior work.


    Memberships:
    National and regional Cadillac & LaSalle Club
    Proud Volunteer - Northstar Tuning Project
    Guinness World Records - Largest Cadillac Parade

    ----------------------------

  14. #13
    Mark58 is offline Cadillac Owners Fanatic
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    Re: 2001 Cadillac Deville Gas Cap Light

    Yes there is a light "Check gas cap" on my 2001 DHS
    replaced cap same problem,,
    Check for rust on the fuel neck where your gas cap goes. Cleaned mine and put a light coat of grease so it seals and BINGO no more problems for months.

  15. #14
    DevilleTouringSedan is offline Cadillac Owners Member
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    Re: 2001 Cadillac Deville Gas Cap Light

    don't have that light come on in my 01' dts weird

  16. #15
    Ranger's Avatar
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    Re: 2001 Cadillac Deville Gas Cap Light

    It's there. It will appear as a message on the bottom of the DIC when and if the conditions occur.

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