Service ABS/Traction/Brake assist
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2008-2013 Cadillac CTS General Discussion Discussion, Service ABS/Traction/Brake assist in Cadillac CTS Second Generation Forum - 2008-2013; Last week on the first day of the artic snow storm we received here in Michigan my recently purchased 08 ...
  1. #1
    08BlueCTSDI is offline Cadillac Owners Member
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    Service ABS/Traction/Brake assist

    Last week on the first day of the artic snow storm we received here in Michigan my recently purchased 08 CTS ( had for 1.5 month) with the DI motor decided these features were not important for snow driving. My dash lite up like an x-mas tree and the DIC told me to service brake assist/traction control/ i believe abs i cant remember the last one.

    I had a friend pull the code and it was reading the right rear speed sensor was faulty, OK no biggie i've changed these out before. After searching all the auto part stores in town and realizing this was not a stocked item i went ahead and ordered from NAPA for a whopping $27 with my discount. Yesterday my part arrived and i installed the new sensor ( gosh i hate that stupid clips!) started the car back up and all the lights are still illuminated on the dash. Do i need to clear the codes for them to go off? Or should the car be reading it now has all good sensors and take the light off on it's own?

    In the case i clear the code (will post exact code when i scan again after work) and the light is still on, what are my options?? I hate tossing parts on a vehicle in hopes that it fixes it. I've searched this heavily and found sometimes the hub needs to be replaced, sometimes not. Does anybody have any experiece with this issue recently? Did the sensor fix your issue or did you end up having to replace the hub? Looking for any tips to get this resolved as the roads are begining to worsen here in MI again and i'd like to use the safety features i purchased this vehicle for...

    If it is the hub, is it just me or does every GM car need a new darn hub during your time of ownership? My 06 CTS did, my 07 STS did, and now this car will possibly need one as well. Owned my Subaru Legacy GT for 100k miles and never had to replace a sensor, or a wheel hub but every GM car i or a friend own seems to just a be standard replacement...

    Thanks for all the help!

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  3. #2
    mightypizu is offline Cadillac Owners Fanatic
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    Sorry. I don't have much info. for you but this just happened to me recently on my '10. I had my tires replaced and the next day "service traction control - engine speed reduced" messages. Prob not a coincidence but it only happened for a couple days. Now it no longer does it and seems fine. Oh! It was single digit temps those days too.

    Anyway, I'd think you need to clear the codes. It may do so automatically after a few cycles.


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  4. #3
    08BlueCTSDI is offline Cadillac Owners Member
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    Re: Service ABS/Traction/Brake assist

    codes will be cleared today, my cheapo amazon scanner wasnt pulling them up having a friend bring home his fancy one from work ( works at an audi dealer) thats the scanner we used that said faulty right rear speed sensor.

    Also now experiencing a misfire it seems when you put the gas all the way down.... will pause for a second then go but you feel it hesitate during accel and the CEL flashes 2-3x then goes away...

    Coming from my Subaru I owned for 3 years and only had to replace only a caliper, having 3 issues in the first 2 month of ownership is deff not what i expected when purchasing a Cadillac....

  5. #4
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    TheShadow is offline Cadillac Owners Fanatic
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    Re: Service ABS/Traction/Brake assist

    re: misfire. You'll want to get your buddy's scanner back - that's how the need to replace a coil started for me earlier in the year on my '08 as one possibility...

  6. #5
    Tbbt is offline Cadillac Owners Enthusiast
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    Re: Service ABS/Traction/Brake assist

    Quote Originally Posted by 08BlueCTSDI View Post
    codes will be cleared today, my cheapo amazon scanner wasnt pulling them up having a friend bring home his fancy one from work ( works at an audi dealer) thats the scanner we used that said faulty right rear speed sensor.

    Also now experiencing a misfire it seems when you put the gas all the way down.... will pause for a second then go but you feel it hesitate during accel and the CEL flashes 2-3x then goes away...

    Coming from my Subaru I owned for 3 years and only had to replace only a caliper, having 3 issues in the first 2 month of ownership is deff not what i expected when purchasing a Cadillac....
    Sorry for your problems, but you did buy a 5 year old car! Same thing could happen with a 5 year old anything. What did the seller say about it? "Let the buyer beware?"

    Good Luck, Marv

  7. #6
    08BlueCTSDI is offline Cadillac Owners Member
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    Re: Service ABS/Traction/Brake assist

    Quote Originally Posted by Tbbt View Post
    Sorry for your problems, but you did buy a 5 year old car! Same thing could happen with a 5 year old anything. What did the seller say about it? "Let the buyer beware?"

    Good Luck, Marv
    I thank you for the reply but a 5 year old car with 70k is hardly old in my mind... my previous was an 06 and before that *gasp* a 96. As for what did the seller say. None of the 4 issues I've had in the 2 months of ownership were around when I bought it, calling him now would be pointless imo.

    ----------

    Quote Originally Posted by TheShadow View Post
    re: misfire. You'll want to get your buddy's scanner back - that's how the need to replace a coil started for me earlier in the year on my '08 as one possibility...
    Id be very happy if just a coil, simple and easy. Did this fix your misfire issue?

  8. #7
    mightypizu is offline Cadillac Owners Fanatic
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    Mine came back today which is not a surprise. Can you give me a link to the Napa part you bought? Where is it located on the vehicle? I'm just curious and then I'll get my codes read. Thanks.


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  9. #8
    Chrisdontkur is offline Cadillac Owners Member
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    I have the same thing going on now...ABS, traction control/stabilitrak lights are all on, and I get the service brake assist, TC, and stabilitrak. Replaced the right rear wheel speed sensor and cleared the codes...all lights came back on as soon as I started moving. I'm going to replace the bearing here soon. I'm assuming the same situation for you.

  10. #9
    dklswh is offline Cadillac Owners Member
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    Re: Service ABS/Traction/Brake assist

    Yes you will need a new wheel bearing, i have replaced 3 so far.

  11. #10
    08BlueCTSDI is offline Cadillac Owners Member
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    Re: Service ABS/Traction/Brake assist

    Quote Originally Posted by Chrisdontkur View Post
    I have the same thing going on now...ABS, traction control/stabilitrak lights are all on, and I get the service brake assist, TC, and stabilitrak. Replaced the right rear wheel speed sensor and cleared the codes...all lights came back on as soon as I started moving. I'm going to replace the bearing here soon. I'm assuming the same situation for you.
    ordered new hub today, hopefully this will solve 1 of my issues.. onto the CEL light now lol

    ----------

    Quote Originally Posted by dklswh View Post
    Yes you will need a new wheel bearing, i have replaced 3 so far.
    i sure hope it was 3 different wheels atleast.. how many miles are on your CTS?

  12. #11
    mightypizu is offline Cadillac Owners Fanatic
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    Re: service traction control - engine speed reduced

    FWIW, here are my codes. C0242, C0561, P0221-Throttle/pedal position sensor/switch B circuit. Leaning towards a throttle body issue in my case.

  13. #12
    C "T" ess's Avatar
    C "T" ess is offline Cadillac Owners Connoisseur
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    Re: Service ABS/Traction/Brake assist

    Quote Originally Posted by mightypizu View Post
    Re: service traction control - engine speed reduced

    FWIW, here are my codes. C0242, C0561, P0221-Throttle/pedal position sensor/switch B circuit. Leaning towards a throttle body issue in my case.
    Re: your throttle body sensor. Before you ty much else, try resetting the throttle body sensor. The procedure is outlined in the owners manual.

  14. #13
    mightypizu is offline Cadillac Owners Fanatic
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    I did try resetting tps, cleaning the maf and cleaning the throttle body. Finally took it in to the dealer and they replaced the throttle body under powertrain warranty.

    2010 @ 40k miles


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  15. #14
    Tbbt is offline Cadillac Owners Enthusiast
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    Re: Service ABS/Traction/Brake assist

    Quote Originally Posted by mightypizu View Post
    I did try resetting tps, cleaning the maf and cleaning the throttle body. Finally took it in to the dealer and they replaced the throttle body under powertrain warranty.

    2010 @ 40k miles

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    mightypizu, Thanks for the update status. It's always good to get feedback and repair info, making the search function that much better! Marv

  16. #15
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    Re: Service ABS/Traction/Brake assist

    Quote Originally Posted by mightypizu View Post
    I did try resetting tps, cleaning the maf and cleaning the throttle body. Finally took it in to the dealer and they replaced the throttle body under powertrain warranty.

    2010 @ 40k miles


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    Hello mightypizu,

    Thanks for taking the time to keep us updated! Hopefully this will help the community if someone is searching and they are experiencing the same concern. I am glad to hear that this was covered under the powertrain warranty. Please feel free to reach out to Laura or myself via private message if you have any future questions or concerns.

    Gregory W.
    Cadillac Customer Care

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