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Thread: What is going on with my DeVille?

  1. #1
    Join Date
    Apr 2004
    Posts
    22

    What is going on with my DeVille?

    Twice this week i went out to the car and first thing i notice is that the automatic locks dont open when i hold the key in the unlock pos. Put the key in the ignition and turn on and the theft deterrent system kicks. This has only happened twice out of probably 40 times i have gone to the car. Go to check the codes and i get this list:

    B1552 - Keep Alive Memory (KAM) Error
    B1910 - Generator L-Terminal Open Circuit
    B2750 - PASSKey Data Communication Failure
    P0603 - Control Module Long Term Memory Reset
    P1520 - Transmission Range Switch Circuit
    P1571 - Traction Control Torque Request Circuit
    P1626 - Theft Deterrent Fuel Enable Signal Not Received
    P1634 - Ignition 1 Switch Circuit
    U1255 - Class 2 Communication Malfunction (Serial Data Line Malfunction)
    U1016 - Loss of Communications with PCM
    U1088 - Loss of Communications with SDM
    U1064 - Loss of Communications with DIM
    U1040 - Loss of Class 2 Communications with ABS
    B1312 - High Side Temp Sensor Open Circuit
    B1983 - Device Power Circuit Low

    They are all marked as history accept B1312.
    What is going on???


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  3. #2
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V, 1994 Infiniti Q45
    Join Date
    Jan 2003
    Location
    Indiana
    Posts
    7,661

    Re: What is going on with my DeVille?

    I would unplug the battery for a while, overnight being ideal. Sounds like the computer has had some "brain farts" and needs some "time out" to "think about what its done"



    Seriously, most times it helps little gremlins...

  4. #3
    Join Date
    Apr 2004
    Posts
    22

    Re: What is going on with my DeVille?

    could it have somethin to do with the radio i just had installed?

  5. #4
    Join Date
    Mar 2004
    Location
    EVERETT MASS
    Age
    50
    Posts
    82

    Re: What is going on with my DeVille?

    AFTER DISCONNECTING YOUR BATTERY,TRY CLEARING ALL YOUR CODES, put kley in on position but dont start it, PUSH THE OFF AND WARM BUTTON AT SAME TIME TIL DASHBOARD LITE UP LIKE A CHRISTMAS TREE THEN IT WILL RUN THRough a bunch of codes if anything is wrong with it,When your dash reads "PCM?" HIT HIGH fan ARROW BUTTON ON climate controller you should see "data?" when u see this, hit the down arrow of lower fan button until u see"CLEAR COdES" might take 3-5 presses, press the high fan button for 2 seconds and your dash will read "CODES C;LEAR" and do this for all the codes.
    to find the codes, when you get to the PCM? push the lower fan button and A,ICP,SIR etc... shows and repeat the steps above on all of those.
    good luck, email me at sal371@webtv.net IF you need more help r come here and do a search.


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