2009 CTS DI - NAV Radio screen blinking/ electrical interference
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2008-2013 Cadillac CTS General Discussion Discussion, 2009 CTS DI - NAV Radio screen blinking/ electrical interference in Cadillac CTS Second Generation Forum - 2008-2013; Recently started seeing electrical like interference on the NAV/radio screen. I thought it might be alternator/battery related, but had a ...
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    pgdrews is offline Cadillac Owners Member
    Automobile(s): 2014 CTS Luxury
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    2009 CTS DI - NAV Radio screen blinking/ electrical interference

    Recently started seeing electrical like interference on the NAV/radio screen. I thought it might be alternator/battery related, but had a full check on battery and alternator and all comes back perfect. The fact that no other lights (dash, LED accent lights, headlights, etc) experience no blinking or electrical disruption dimming or erratic behavior, seems to confirm its not alternator/battery related.

    After driving for 30-45 mins it seems to go away - that's why I suspected battery, almost like it took a while to charge. When it first occurs, if you let off accelerator the screen blinking stops, and as soon as hit gas it gets erratic. Seems when the car sits thru the day in the heat, and I leave work and it's fine.

    Does anyone know what might cause this? Could there be some relay or electrical suppressor leading to the display that might be the culprit?

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    Cadillac Cust Svc's Avatar
    Cadillac Cust Svc is offline Cadillac Customer Service
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    Re: 2009 CTS DI - NAV Radio screen blinking/ electrical interference

    Quote Originally Posted by pgdrews View Post
    Recently started seeing electrical like interference on the NAV/radio screen. I thought it might be alternator/battery related, but had a full check on battery and alternator and all comes back perfect. The fact that no other lights (dash, LED accent lights, headlights, etc) experience no blinking or electrical disruption dimming or erratic behavior, seems to confirm its not alternator/battery related.

    After driving for 30-45 mins it seems to go away - that's why I suspected battery, almost like it took a while to charge. When it first occurs, if you let off accelerator the screen blinking stops, and as soon as hit gas it gets erratic. Seems when the car sits thru the day in the heat, and I leave work and it's fine.

    Does anyone know what might cause this? Could there be some relay or electrical suppressor leading to the display that might be the culprit?
    Hello pgdrews,

    I apologize for electrical issues you are experiencing with your CTS. I understand how intermittent issues can be frustrating. I am more than happy to look into this for you if you provide me with your VIN via private message. I look forward to hearing back from you.

    Sincerely,

    Laura M.
    Cadillac Customer Care

  4. #3
    pgdrews is offline Cadillac Owners Member
    Automobile(s): 2014 CTS Luxury
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    Thread Starter
    Quote Originally Posted by Cadillac Cust Svc

    Hello pgdrews,

    I apologize for electrical issues you are experiencing with your CTS. I understand how intermittent issues can be frustrating. I am more than happy to look into this for you if you provide me with your VIN via private message. I look forward to hearing back from you.

    Sincerely,

    Laura M.
    Cadillac Customer Care
    Thx! Have responded. Would love any insight anyone has.

  5. #4
    jghiller's Avatar
    jghiller is online now Cadillac Owners Connoisseur
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    You might need new NAV screen. Not a big deal. What's hard is to get it failing at dealer, correct?
    If you have a iPhone or similar take a pic or movie of screen when it fails. Be careful driving while doing this. Once I did this dealer had no issues replacing screen. They do fail.

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