door locks and power windows don't work on 3 doors serial buss problem?
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Cadillac Seville / Cadillac Eldorado Forum Discussion, door locks and power windows don't work on 3 doors serial buss problem? in Past Cadillac Vehicle Discussion; Hi everyone, I have a 2002 Seville that got wet in a flood up to the carpet. Everything on the ...
  1. #1
    rickheid is offline Cadillac Owners Member
    Automobile(s): 2002 sevile
    Join Date
    Dec 2009
    Age
    59
    Posts
    9

    door locks and power windows don't work on 3 doors serial buss problem?

    Hi everyone, I have a 2002 Seville that got wet in a flood up to the carpet. Everything on the car is working okay except for the passanger door windows and door locks, and the rear door windows and locks. The car doesn't talk to any of the door modules except the drivers door. U1161 - Loss of PASS Door Module SBI, U1162 - Loss of Rear Driver Door Module SBI, U1163 - Loss of Rear PASS Door Module SBI. I am guessing the seial data bus has a problem. Anyone have any experience finding and repairing the serial data cable. Any advice on this at all will be greatly appreciated. I am suspecting the problem will be at one of the splice points. All the fuses in both the front and rear have been checked and are okay. Rick

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  3. #2
    johnny kannapo's Avatar
    johnny kannapo is offline Cadillac Owners Connoisseur
    Automobile(s): 1996 Eldorado
    Join Date
    Oct 2009
    Location
    Pigseye, Mn
    Age
    53
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    2,808

    Re: door locks and power windows don't work on 3 doors serial buss problem?

    I had a similar problem after tipping over a martini on the drivers mat & under the seat. I has everything to do with the electronics under the dvr.seat. I was able to correct after doing the wiggle on the connections. I don't know what modules are under there. It looks like 2 or 3 are there. Make sure things have dried out well.

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