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Cadillac STS Forum - 2005 through 2012 Discussion, Tpms on 1sa in Past Cadillac Vehicle Discussion; Originally Posted by chazglenn3 My 2005 has them. I have replaced three of the four of them...LR twice in the ...
  1. #16
    ddalder's Avatar
    ddalder is online now Cadillac Owners Connoisseur
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    Re: Tpms on 1sa

    Quote Originally Posted by chazglenn3 View Post
    My 2005 has them. I have replaced three of the four of them...LR twice in the two years I have owned the car. But, I blame the relatively inexpensive TPMS sensors that I buy from Discount Tire.
    I believe you've pretty much hit the nail on the head. Realistically, whether it's GM or aftermarket, there are likely to be problems (perhaps more with aftermarket). I have no doubt that there are military or aircraft grade systems that have very high reliability. To start installing these in passenger vehicles would likely become cost prohibitive. Further refinement of the "consumer" grade product is definitely necessary and I'm sure can improve overall reliability. I feel it does eventually come down to a cost-benefit decision. When GM (and other makers) start to delete things like a right hand door lock cylinder, under hood light, interior courtesy lighting, etc., the message is clear that they want to reduce the cost of building vehicles. I'm sure they feel the current systems provide acceptable levels of reliability given the maturity of the technology.

  2. #17
    dkozloski's Avatar
    dkozloski is online now Cadillac Owners 10000+ Posts
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    Re: Tpms on 1sa

    The system is government mandated. That ought to tell you everything you need to know.
    Don't mess with Binky Bear!


  3. #18
    Lifer's Avatar
    Lifer is offline Cadillac Owners Enthusiast
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    Re: Tpms on 1sa

    Quote Originally Posted by 1BadCadSTS View Post
    My 05 1sg has them.

    Pain in the ass.
    You can bet your bippy on that one. I have replace two in three years, and the DIC won't stop reporting it until they are fixed.

  4. #19
    JimD is offline Cadillac Owners Connoisseur
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    Re: Tpms on 1sa

    Quote Originally Posted by neverlateSTS View Post
    ....the new cars to come will go into limp mode if the tpms signals trouble.
    I had not heard/read anything about that before your post.
    .... there will be an awful lot of slow traffic in the future if they dont get this stuff to last longer.
    In my limited experience with GM's applied TPMS technology (2004 DTS, 2011 Chevrolet) the weak link is sensor battery life. Electrical system engineers at Boeing might have some relevant up-to-date information on state of the art batteries.
    ....i would like to meet the idiot who came up with this mandate all because there were some blow outs and rolling over SUV's.
    You would be meeting with the members of congress that voted for the TREAD act (2000) and the president that signed it into law (Bill Clinton).

    Add in the government employees at DOT/NHTSA that conducted/managed/compiled the test data to support/implement the requirements of the TREAD act.

    As a side dish, throw in the judges of the U S Court of Appeals for the Second Circuit and you will have the short list of the major players (idiots?).
    ....Manufacturers would be better off supplying a tire guage and instructions on how to use it.
    I have no problem buying my own pressure guage and have been doing so for more than 50 years. The problem I see is convincing/coercing/bribing drivers to read and heed the instructions. The same drivers who do not read and heed the Owner's Manual.

    If you have the time and inclination to plough through the legalese and bureaucratic language, here is a link to the DOT/NHTSA pdf file related to TPMS.
    http://www.nhtsa.gov/cars/rules/ruli...mPost2Cir.html

  5. #20
    curtc's Avatar
    curtc is offline OCD - Obsessive Cadillac Disorder
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    TPMS is OK for me....when I have my 18's mounted...

    My 17" snowy's came off my CTS, no TPMS installed and I'm too cheap to have them installed from scratch on 4 wheels...I just push down on the "i" button a few times a day
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  6. #21
    EChas3's Avatar
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    Re: Tpms on 1sa

    I can't complain about the battery life on the OEM. Mine were installed in 2005 and only one is starting to get weak, 7 years later. Who makes the best replacements?

  7. #22
    perrior is offline Cadillac Owners Member
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    Re: Tpms on 1sa

    Well I hate them, I am on my 5th one and the same thing is going on. First I start with the drivers side front and then a few weeks the passengers side.. Then the rear start. Each sensor is $65. this is the second time this is going on so this time I refuse to pay the dealer. Told him to fix the cause and not just replace them. While I'm on the subject does anyone have a procedure for relearning the tps.
    Also you can't use the obdII to remove the fault.. Every time I start the car I have to clear the code before the display panel works.

  8. #23
    EChas3's Avatar
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    Re: Tpms on 1sa

    It's in the manual; or pop for the activation tool - way cool!

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