Need help with drivers side mirror problem - Page 2
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2008-2013 Cadillac CTS General Discussion Discussion, Need help with drivers side mirror problem in Cadillac CTS Second Generation Forum - 2008-2013; Originally Posted by Xtant12 Hello guys, my drivers side mirror does nothing at all. I put it in reverse and ...
  1. #16
    RAB's Avatar
    RAB
    RAB is offline Cadillac Owners Connoisseur
    Automobile(s): 2011 CTS Premium AWD Sport Sedan w/FE5 - RadiantSilver|Ebony
    Join Date
    Jun 2007
    Location
    Ontario, Canada
    Posts
    1,974

    Re: Need help with drivers side mirror problem

    Quote Originally Posted by Xtant12 View Post
    Hello guys, my drivers side mirror does nothing at all. I put it in reverse and it wont flip down, I try to adjust it and nothing happens. I checked the fus and it was fine. Pass mirror works well. Any ideas???
    Xtant12, you have an '08 CTS with the Park Tilt Mirror feature? Have you checked your settings in "DIC Vehicle Customization"?

    If your driver's side mirror doesn't adjust at all with the controls then there may be a problem with:
    • the driver door switch assembly (DDSA)
    • the driver door module (DDM)
    • the transmission of serial data between the DDSA and DDMs (there are 2 DDMs in the door to control the mirror)
    • the mirror motors (there are 2 motors in the mirror assembly)

    From the CTS service manual:

    Outside Mirror System Components
    The power outside rearview mirror system consists of the following components:
    • Driver door switch assembly (DDSA)
    • Driver door module (DDM)
    • Passenger front door module (PDM)
    • Driver outside mirror
    • Passenger outside mirror
    • Serial data

    Outside Rearview Mirror Operation
    The outside rearview mirrors are controlled by the driver door switch assembly (DDSA) which contains the mirror control switches, the driver door module (DDM), and the front passenger door module (PDM). The DDSA decodes mirror control switch activations while the door modules apply battery voltage and ground to their respective mirror motors to move the mirrors to the desired positions.


    Copy/paste from the '08 CTS Owner's Manual:

    Park Tilt Mirrors

    If your vehicle has this feature, it allows you to select
    whether or not the outside mirror(s) will automatically tilt
    down when the vehicle is shifted into REVERSE (R).
    See Park Tilt Mirrors on page 2-50 for more information.

    Press the customization button until Park Tilt Mirrors
    appears on the DIC display. Press the set/reset button
    once to access the settings for this feature. Then
    press the menu up/down button to scroll through the
    following settings:

    Off (default): Neither outside mirror will be tilted down
    when the vehicle is shifted into REVERSE (R).

    Driver Mirror: The driver’s outside mirror will be tilted
    down when the vehicle is shifted into REVERSE (R).

    Passenger Mirror: The passenger’s outside mirror will
    be tilted down when the vehicle is shifted into
    REVERSE (R).

    Both Mirrors: The driver’s and passenger’s outside
    mirrors will be tilted down when the vehicle is shifted into
    REVERSE (R).

    No Change: No change will be made to this feature.
    The current setting will remain.

    To select a setting, press the set/reset button while the
    desired setting is displayed on the DIC.

  2. #17
    Frenchmanbl is offline Cadillac Owners Member
    Automobile(s): 2009CTS
    Join Date
    Jun 2015
    Posts
    1

    Re: Need help with drivers side mirror problem

    I had my drivers side door panel removed to replace the wood inlay and now the mirror has a mind of it's own. ALSO the damn roof leaks in a heavy rain. I have already cleaned out the drains. ANybody got any suggestions. Do you think a reflash would help with the mirrors

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