I know this is old
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, I know this is old in Past Cadillac Vehicle Discussion; How do you reset the codes on a 1991 Deville............
  1. #1
    Subguy's Avatar
    Subguy is offline Cadillac Owners Member
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    I know this is old

    How do you reset the codes on a 1991 Deville.........

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  3. #2
    DaveSmed's Avatar
    DaveSmed is offline Cadillac Owners Connoisseur
    Automobile(s): 1968 Cadillac Sedan deVille, 1994 Chevrolet G20
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    Re: I know this is old

    When at the .7.0 prompt, push OFF and LO to clear PCM codes, and OFF and HI to clear BCM codes. (or is that the other way around?)

  4. #3
    Subguy's Avatar
    Subguy is offline Cadillac Owners Member
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    Re: I know this is old

    Thanks worked like a champ........

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