02 Deville upper/lower air vent actuator
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 02 Deville upper/lower air vent actuator in Past Cadillac Vehicle Discussion; My 02 Deville upper/lower vent actuator chatters for a couple minutes whenever starting vehicle, then settles on lower position . ...
  1. #1
    teslatech is offline Cadillac Owners Member
    Automobile(s): 2002 deville
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    02 Deville upper/lower air vent actuator

    My 02 Deville upper/lower vent actuator chatters for a couple minutes whenever starting vehicle, then settles on lower position . Changeing to upper or bi-level makes no difference. Where is this actuator and how do I access it? Getting error codes BO249 and BO429


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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: 02 Deville upper/lower air vent actuator

    B0249 - Heater/Defrost/AC Door Range Error
    This is the code that is causing your problem. Sounds like the actuator is bad. I'd suggest you get a FSM by Helm Inc. before going after it (NOT Chiltons or Haynes). Ebay is your friend.

    The other one is for the rear seat temp control actuator.
    B0429 - Temperature Control #3 Rear Circuit Range/Performance

    You can find the definitions here.
    http://myweb.accessus.net/~090/dtcobd2.html

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