W.S. 1993 Cadilac STS

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Cadillac Powertrain Control Module (PCM) Tuning Discussion, W.S. 1993 Cadilac STS in Cadillac Engine Discussion; Looking for the discription of codes that my 1993 Cadilac sts is showing me from it's onboard computer. For instance ...
  1. #1
    savage3000 is offline Cadillac Owners Member
    Automobile(s): 1993 STS
    Join Date
    May 2009

    W.S. 1993 Cadilac STS

    Looking for the discription of codes that my 1993 Cadilac sts is showing me from it's onboard computer. For instance (po71-po80).

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
    Join Date
    Feb 2006
    MD Eastern Shore, Kent Island

    Re: W.S. 1993 Cadilac STS

    Go to the top of the main Seville threads page and read the entire sticky thread "How to pull codes". When you are familiar with your car's system, return to the thread and open the link with "obd1" in the URL and click on the Main Index links for the definitions of P,B,C, and U codes.

    P 070 is a code comprised of the module identifier: P = PCM; 070 is the code numerical sequence and the link will give you that description.

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