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Cadillac CTS/CTS-V Brake Problems

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Comments

  • jandijandi Posts: 4
    I have an 06 CTS with 75,000 miles and having issues with warning lights about ABS, TC, brake assist and system stability. I was told it was my front passenger wheel hub, replaced it and still codes were there. They diagnosed it and said software needed to be replaced. Took it to dealer n delear says the electrical module needs to be replaced. I'm very frustrated bc this should be a top of line car n has just given me problems. Same issue happened last year, but they were able to reset it. To repair is going to cost me $1500 and I've already spent $600. Does anyone know of any recalls for this vehicle?? Who can I contact about recalls? I'd appreciate any info. Thanks!
  • jandijandi Posts: 4
    What happened to your car? Did it get fixed? I'm having the same issue and I'm worried because I have 4 small children. The front passenger hub has been replaced but codes are still there. They say it my module.
  • jandijandi Posts: 4
    I Am having issues with my 06 CTS. Brake assist, system stability, abs and tc. Front wheel passenger hub has been replaced but no luck to codes being removed. They say its the module, but from reading these forums I've had a lot of the same issues like everyone. Is there any recalls? My car is no longer under warranty, it has 75k miles. Please help. Same issue happened last year.
  • jandijandi Posts: 4
    Samething is happening with my 06 CTS, can u give me any info on how or what to proceed. Front passenger hub has been replaced but codes are still there.
  • gmcustsvcsarahgmcustsvcsarah Posts: 1,964
    If you wanted to send the last 8 digits of your VIN to socialmedia@gm.com, we'd be happy to check for any open recalls on your vehicle.

    Look forward to hearing from you,
    Sarah
    GM Customer Service
  • eliaselias Posts: 1,830
    If I owned a vehicle that gives symptoms like this (and I do) - I would consider to pull the ABS fuse. This will prevent the ABS system from "misfiring" at low speed. But with no ABS in some conditions it might require knowledge/sense of how/when to drive old-school by "feathering" the brake or actually manually pulsing the brake pedal when necessary.

    My 2005 GM vehicle has had apparently the same intermittent ABS failures for years - sometimes a diagnostic failure - sometimes felt at low speed hot weather when one of the 4 brakes is released - it does increase slightly braking distance and is alarming but increasing pedal pressure does function properly.

    For my car, the issue is basically known to be wheel speed sensor, especially when heated. It's so intermittent and imho is not safety related, because it only occurs on *one wheel* at a time. Always the same one. Right front.
    I understand that in some (all?) vehicles the speed sensors are especially sensitive to damage from road debris or mild corrosions.
  • b_fishrb_fishr Posts: 1
    I almost crashed while pulling into a parking spot, brakes were grinding (as if ABS was freaking out) and the car would not stop ( I was going about 2mph). Finally I was able to get it to stop about 1 inch away from another vehicle. This is on a 2007 CTS. I have not taken it to a dealership yet, but I know for a fact that there are no problems with my brakes, they operate normally in other situations. The symptoms are almost exactly the same as comment #42 by j1nce. I did not get a service indicator today, but I have had it show up after restarting the car (turn off to go in store, come back to notification). Are there any recalls dealing with this issue, as it doesn't seem severe enough to produce a code, and I don't have the $2000 others have spent on a potential fix.
  • coastsidefogcoastsidefog Posts: 12
    edited August 2012
    As you know from reading this thread, we had multiple replacements of our wheel hub, speed sensor, EBCM, etc. (among other parts) to try and fix the very serious problem of a car that would intermittently have its brakes fail at slow speeds (ie, in a school parking lot with children).

    We had multiple communications (in person, via email, letters, phones) with GM during that time. GM never showed much concern about the potential liability/risk of morbidity and mortality associated with this problem. The dealership replaced the speed sensor/EBCM 4 times in an attempt to repair the problem (although it never did). We paid out of pocket quite a bit of money once the car was out of warranty, but the problem did not resolve.

    Eventually, an intelligent mechanic fabricated a new harness with new terminal grounds from the EBCM to the left wheel speed sensor and rerouted the harness away from any possible sources of inductive voltage. Once that was complete, we have not had a problem.

    The mechanic (who works for our dealership) said to us that anecdotally he has run into this problem more than once and that there seems to be a failure in the design or workmanship in some of the wiring harnesses connecting the EBCM to the speed sensors that causes the brakes to fail. (Separately, he recommended the next time we buy a car, we not buy a Cadillac, because he felt that the fix -- rerouting the harness -- was not a time- or money-intensive fix, but that GM didn't seem interested in letting car owners know that, despite the potential and obvious dangers).

    We spoke with our representative to Congress who asked us to file a report to the National Highway Traffic Safety Administration (NHTSA), who with enough examples is able to force GM to notify owners or issue a recall.

    I would STRONGLY encourage all of you who have had this problem to 1) have your mechanic check the wiring harness for sources of inductive voltage, and 2) to report the problem to your congressional representative and to the NHTSA.

    You can find your congressional representative here: http://www.house.gov/representatives/find/

    You can report to the NHTSA here: https://www-odi.nhtsa.dot.gov/ivoq/

    For us, as a family with small children, this has never been about getting any reimbursement for the large amount of money we've given to attempt to fix this problem. This has always been about making sure that the cars on the road are safe (thinking about driving this car in my children's school's parking lot started this process).

    We have been truly disappointed by what seems to be GM's lack of concern about the potential safety hazards. I try very hard to be a fair-minded person, and I have been so dismayed by GM's lack of interest in responding to these concerns. Shame on you, GM, for letting the dollar or just plain laziness stop you from getting information to car owners that could potentially prevent a serious accident.

    Please let the NHTSA know about your issues, in the hopes that they might be able to convince GM to do the moral thing and let its owners and dealers know about the relatively simple repair to this issue (which, if you Google, you will find occurs in other GM cars besides Cadillacs), before a child loses a life by being hit by a car that can't brake in a neighborhood parking lot.
  • After reading mutiple posts on the "won't stop (ABS kicks in) when parking" especially when turning hard, like a normal parking lot! AND the obvious reluctance of Cadillac to acknowlege it as an issue, I thought I'd do my own work.
    I replaced the wires from the wheel/speed sensor, splicing and soldering near the radiator. The parts for both sides were less that $100. with the right clip! I later tested both of the old wiring harnesses, 4 wires with an OHM meter. initially looked like a waste of time until I moved the wires around***simulating a hard right turn*** OHM meter pegged!
    In my Non-Professional opinion problem is the OEM wire routing....causing repeated kinking of the wires on hard turns. I routed my new harnesses along the sway bay where this kinking is less likely.
    DID I MENTION MY ABS PROBLEM IS GONE??
  • Good morning b_fishr,
    If you would like to check your VIN for any open recalls, please send us the last 8 digits at socialmedia@gm.com.
    Kindest regards,
    Sarah
    GM Customer Service
  • I joined your forum yesterday and have read thru the various posts on the breaking situation on a 2004 Cadi CTS. I took title recently on this car from my elderly Mother. The car has 21,214 miles and in the past three weeks I’ve had about 4 or 5 incidences with the breaks vibrating and sort of grinding at very slow speeds—the car not wanting to stop.

    In your opinion what was the definitive resolution to this problem? I’m about to contact the GM dealer in my area and do not want to pay for diagnostics or repair if this was a manufacturer's issue. In reading the posts it seems the problem may have been a wiring issue or a hub speed sensor code or something to do with the differential. I also noted a Technical Bulletin -- 03-05-25-009A JUL 04 Brakes - Low Brake Pedal/Air in System. Is this correct?

    I know nothing about the mechanics of automobiles, and feel I’m in a death trap. Many, many thanks for any assistance you can offer.
  • Hi Luckyodds,
    As I said in my post ;
    I replaced the wires from the wheel/speed sensor, splicing and soldering near the radiator. The parts for both sides were less that $100. with the right clip! I later tested both of the old wiring harnesses, 4 wires with an OHM meter. initially looked like a waste of time until I moved the wires around***simulating a hard right turn*** OHM meter pegged!
    In my Non-Professional opinion problem is the OEM wire routing....causing repeated kinking of the wires on hard turns. I routed my new harnesses along the sway bay where this kinking is less likely.
    MY ABS PROBLEM IS GONE??

    With the OEM set-up, the wires kink every time the wheels are turned. That is why I re-routed the new wires in a manner that less kinking can occur. I CAN NOT reproduce the braking problem therefore I am calling it fixed. Good Luck!
  • Dear Mr. or Ms. Sirpontiac,

    Thanks so much for your response! I called two GM dealers about my CTS breaking problem to see if they had any knowledge of this issue. Absolutely not a clue -- never heard of such a problem. They were not interested in referring to the suggested Tech Bulletin - (air in system.) Was told had to bring car in to see if they could replicate, then maybe fix. At least $100.00 + for the effort, and God only knows if/when the replication would occur and what the cost would be. My own angle mechanic will take the car for a while to see if the problem occurs while he has it. I will give him all of the info gathered here. Again, many thanks. I will post when I have any new information.
  • Thanks for the info. I too have an 06 CTS that has a braking issue when pulling into a parking space. I had originally thought that I would have to replace a wheel sensor since it was the most logical source of the problem. I had not had the code checked yet, and I have adjusted my parking habits so that I would not have a difficult time stopping. Your solution makes more sense as the problem is intermitent and only occurs during a sharp right hand turn. By the way I normally only get the error codes when I am backing out with the wheels turned sharp right, but it might be that the error code comes on when I pull into the space and I turn off the ignition before I notice the code. I will be checking the wiring to see if that is the source of the problem.

    ps
    Sarah @ GM
    Since it is apparent that GM monitors this site, why is there not even a technical service bulletin out regarding a possible fix instead of dealerships resorting to thowing parts at the problem hoping it goes away? Based on the posts, it is not a new or isolated issue It would seem to be in your best interest to help technicians find a permanent solution, especially since the wiring solution would be a quick and inexpensive fix. At the very least they could check the wiring for continuity.
  • Good morning dj816,

    Thank you for your feedback, and I can certainly understand your perspective given our frequent posts on the forum.

    We are customer service and we do take note of concerns when a thread begins to grow (usually 5+ people having the same concerns with the same model year of a vehicle), and this information is passed along. However, where it goes from there it is difficult to say.

    Christina and my primary objective is to help individuals get their individual concerns addressed if they choose to work with our dealerships.

    Good, bad, or otherwise, this is where we're at. I can say that we do get visitors to our location from other departments within GM and we are able to draw attention to forums like Edmunds.

    Again, thank you for your feedback and patience. I hope that the fix proposed by sirpontiac works for your CTS if you decide to go that route!

    Sarah, GM Customer Service
  • eliaselias Posts: 1,830
    at CTS-V driving experience a few weeks ago, during the portion where we learned what 100% braking could do with the car, OnStar called one of the drivers to indicate they were sending emergency crews because the car notified them that it had been in a collision.

    That's how good the brakes are, capable of that much G impulse-force to seem like a collision to an accelerometer.

    The driver responded, "I'm too busy driving to talk right now, we are on a racetrack. We did not crash, do not send EMTs or fire crews."

    Personally I was disappointed that I somehow did not brake the rented CTS-V enough to get a call from Onstar.
  • I would be interrested in hearing whether you had the wiring checked and if so, was it the problem.

    Thanks.
  • I would be interrested in hearing whether you had the wiring checked and if so, was it the problem.

    Thanks.
  • I tested the wires with an Ohm meter, once off the car. At first it looked like the wires were okay until I manipulated the harness to simulate the approximate position it would be in while turning. Readings went from zero to the meter being pegged.
    Most important; I have no issues any longer!

    Hope this helps!
    Brian
  • brendak1brendak1 Posts: 2
    I have a 2007 CTS with 56k miles. I have had my brakes pulsate, grind, and fail while pulling into a parking space 4 times in the last 12 months now. Luckily no damage has been done, yet. I talked to a Cadillac service writer about this and he told me he hadn't heard of any recalls. I don't want to just throw parts at the problem. In the meantime, I try not to park in spots where I have to make a hard right.
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