TC Light, Check Engine on and Directionals not working
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Cadillac Catera and Cimarron Forum Discussion, TC Light, Check Engine on and Directionals not working in Past Cadillac Vehicle Discussion; Hi, I'm new to this forum but have a problem with my 2000 Cadillac Catera sedan 3.0L V6. I have ...
  1. #1
    jarnett56 is offline Cadillac Owners Member
    Automobile(s): Catera
    Join Date
    Jul 2010
    Posts
    18

    TC Light, Check Engine on and Directionals not working

    Hi, I'm new to this forum but have a problem with my 2000 Cadillac Catera sedan 3.0L V6. I have a fuse that keeps blowing that shuts off my directionals and affects the TC module by only being able to drive in high gear. If the fuse blows, you start the car and the "S" light comes on as if you were in the Sport mode, which is in high gear. As you stop the car and start it, the TC light and Check Engine light appear. I replaced the fuse 6 weeks ago and everything was fine for this period of time. It went out again and I'm wondering if you know what would be causing this short circuit scenario? Thank you.

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  3. #2
    jarnett56 is offline Cadillac Owners Member
    Automobile(s): Catera
    Join Date
    Jul 2010
    Posts
    18

    Re: TC Light, Check Engine on and Directionals not working

    By the way, my Check Engine code is U2106.

  4. #3
    jarnett56 is offline Cadillac Owners Member
    Automobile(s): Catera
    Join Date
    Jul 2010
    Posts
    18

    Re: TC Light, Check Engine on and Directionals not working

    Found out that my problem was from my tail light socket module being damaged from my trunk lid closing on it while my mechanic was checking out my brake light switch. I removed the socket and ordered a new one. Car has been running fine ever since. This socket module was causing my 10A fuse to blow (Flasher) while I was putting the car in reverse causing the TC light to come on and directionals not to work. Thanks to this forum, I didn't have to pay a mechanic to analyze where the short circuit was coming from.

  5. #4
    thatgurllizz is offline Cadillac Owners Member
    Join Date
    Nov 2012
    Posts
    2
    I have a 97 cadillac catera and the exact same thing was happening to me. No blinkers power steering and transmission was all screwed up. Found out the flashers fuse was blown. Replaced it and the car worked fine. About a week later problem happened again so I checked the fuse and it.was blown again. I kept replacing it and immediately it would.blow again. After reading your post I remembered that my reverse lights were taken out and the cord had raw wire hanging from it. Went and checked the car and sure enough the wire was touching the metal from the trunk. I'm assuming that every time I backed up the reverse lights would come on causing a spark only to be shorted out by the wire touching the metal from the trunk. Therefore blowing the fuse every time! Thank goodness for your post or I never would have figured that out! Thanks again !

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