DTC codes
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Electrical Technical Information Discussion, DTC codes in Item Specific Cadillac Discussion; Does anyone know what the following codes mean... I can' t find them anywhere on the net.... IR1740 IR1771 and ...
  1. #1
    jert is offline Cadillac Owners Member
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    DTC codes

    Does anyone know what the following codes mean... I can' t find them anywhere on the net....
    IR1740
    IR1771

    and what is the IP1552 history
    and where is a complete list of all codes

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  3. #2
    Katshot's Avatar
    Katshot is offline Cadillac Owners Master
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    Re: DTC codes

    Quote Originally Posted by jert
    Does anyone know what the following codes mean... I can' t find them anywhere on the net....
    IR1740
    IR1771

    and what is the IP1552 history
    and where is a complete list of all codes
    I know of no "complete" list of codes on the net. I have a lot of manuals at work so I can tell you in the AM. What car are we talking about?

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    jert is offline Cadillac Owners Member
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    Re: DTC codes

    Quote Originally Posted by Katshot
    I know of no "complete" list of codes on the net. I have a lot of manuals at work so I can tell you in the AM. What car are we talking about?
    Hey thanks again Kevin. heres what we are talking about.

    96 deville (52Y2) ( 5=4dr) (2=headrestraints) (Y = you know this one) (2=you got me) I have looked all over the place for these codes...because I have a problem with my cluster fuse blowing once a week.... I'm thinking that the amp for the radio is causing a problem or the relay that handles the amp... heavy wire feeds the amp #14 or #12 best I remember.. Everytime it has blown, the radio and the A/C was on.... only the compressor drops out when the fuse blows the fan blows with the fuse is gone... I am getting a IR1740 current code and a IR1771.... what you say?......... Jert

  5. #4
    Katshot's Avatar
    Katshot is offline Cadillac Owners Master
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    Re: DTC codes

    Quote Originally Posted by jert
    Hey thanks again Kevin. heres what we are talking about.

    96 deville (52Y2) ( 5=4dr) (2=headrestraints) (Y = you know this one) (2=you got me) I have looked all over the place for these codes...because I have a problem with my cluster fuse blowing once a week.... I'm thinking that the amp for the radio is causing a problem or the relay that handles the amp... heavy wire feeds the amp #14 or #12 best I remember.. Everytime it has blown, the radio and the A/C was on.... only the compressor drops out when the fuse blows the fan blows with the fuse is gone... I am getting a IR1740 current code and a IR1771.... what you say?......... Jert
    IR1740 = IRC Configuation Error
    IR1770 = Cassette tape slow

    It sounds to me like someone replaced the head unit with a bad one, or did a bad job.

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