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sandy toney Posted on Nov 09, 2017
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2003 Cadillac CTS - Service Stability, ABS and T/C lights are on. Was told that needs an Electronic Brake Control Modular and hub assembly for right hand tire. Had same problem last year - the steering position sensor and harness and hub in left rear tire was replaced. If get EBCM and hub assembly repaired, will problem be fixed?

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  • Expert 229 Answers
  • Posted on Nov 09, 2017
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It could just be a software issue with your EBCM. You can have it reprogrammed at the dealer. Those particular cars tend to have that issue.

I’m happy to assist further over the phone at https://www.6ya.com/expert/kim_3202917d7c587455

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Sep 26, 2008

SOURCE: How do you reset service stability control & ABS

please send $100 to me and ill send you solution.. I was interested in your service until i heard some of your answers like requires expert must take to pro??? gee thanks for $15 advice

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James Bradburn

  • 299 Answers
  • Posted on Jan 19, 2009

SOURCE: 2003 cadillac cts coolant temperature sensor

I cant find a pic of the loctation.

It is under the intake in the back in the coolant bridge it is not bad to change if you are not affaid to take the intakes off but to get to it you have to take the intake off

Anonymous

  • 54 Answers
  • Posted on Feb 04, 2009

SOURCE: 2003 cts has oil leak

ok, woodhujr,if im not mistaken you had another help request of cranckcase pressure...that problem is causing your leak.
ccny, i have no idea what you are talking about, feel free to enlighten us...
Howard, the best advise i have for you in replacing the valve cover gasket(s) is to get a repair manual for this car/engine and follow the steps as outlined there. I couldnt try to give you step by step instructions in this little box without way oversimplifying.

steve noel

  • 750 Answers
  • Posted on Sep 12, 2009

SOURCE: The ABS, Traction Control and Brake Warning Lights

lights usaly come on when there is a system fault. check for a broken or chiped wheel speed sensor ring, or a damaged wheel speed sensor. try disconecting the negative battery terminal for a few seconds to reset lights

Anonymous

  • 1 Answer
  • Posted on Sep 15, 2009

SOURCE: abs light/traction control light

You can check out what the trouble code is by pushing and holding the information button and the up arrow (right side of instrument cluster above the radio) until all the instrument clusters light. Press the information button (last) to enter test mode. I've had an error C1234, meaning Left rear wheel sensor fault. I found the problem to be a corroded connector under the chasis just under the rear left door about 2 feet in. I had to by-pass (replace 1 wire due to corrosion at the connector.

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problem usually narrows down to abs system problem or hub failing causing problem with abs --have vehicle scanned for the trouble code it will assist you as where to start in repairing problem most auto stores offer this service for free --in the mean time pull the abs fuse so brakes can revert to a normal non abs system till repairs can be made
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My 2005 cts Cadillac brake ligh, abs and traction light stay on

One of the wheel speed sensors is malfunctioning and will need to be replaced.
This video shows the replacement of an entire hub assembly on a 2010 Cadillac CTS. Yours will be close to the same. You can try to replace just the sensor first but sometimes you might as well just replace the whole hub assembly. If you take it to someone who can read the computer, it will tell them and you which wheel(s) have the fault.

If you need further help, reach me via phone at https://www.6ya.com/expert/steven_a67ead41eb5fc62a

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If it works with out the bearing sensor being plugged Leave it. You may get ABS codes/light, but you still have brakes. Just not anti lock. The steering module is bad. You have already proved it, You unplug it, It works. Plug it in, it is bad. It is shorted out in side the computer. I just did a diesel engine, Called the computer after 30 minutes. Owner of the diesel said it wasn't. Reached up and pushed a solenoid for fuel shut off. I told them all, it just proved my point, The computer is supposed to do this. They replaced the solenoid, still no start.
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What is a abs modular on a Escalade Cadillac?

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(ABS Module components) the ABS speed sensors and the ABS control module . When the brake is applied, the ABS control module reads the speed data from the speed sensor and sends the correct pressure to each wheel to prevent any wheel lock up, eg. sliding/skidding Links below have more info.
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Service Stability System AND abs Pump issue

ABS Control Module Replacement Service Cost YourMechanic

https://www.rockauto.com/en/catalog/cadillac,2002,escalade,5.3l+v8,1431695,brake/wheel+hub,abs+control+module,1844
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2003 cadillac cts stability control and traction control

Get your system checked for malfunction codes. Sounds like there is water entering the sensor harnesses under the vehicle. Doesn't take much to set off the malfunction light.
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My 2003 cadillac cts was stuck in park and abs brake and traction lights are on replaced shifter wire car is not in park anymore but abs brake and traction light is still on. Also, resurfaced rotars and...

Low brake fluid level could cause that. Bad ABS wheel sensor. Brake switch. Go to Autozone and ask them to put the scanner on and see what codes you're getting.
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I HAVE A 2002 CADILLAC STS. THE BRAKE, ABS, & TRACTION CONTROL WARNING LIGHTS ARE ON. IT ALSO SAYS TO SERVICE STABILITY SYSTEM. THE CAR HAS BEEN CHECKED & NO PROBLEMS WERE FOUND. THE TECH SAID THAT...

I have the same car and had the same issue, you will need to replace a wheel bearing hub assembly. The speed sensor is more than likely bad. I actually had the problem yesterday, and I replaced the hub today and it cost me $142.00 = tax for the repair. It's not hard to do, if you have the tools. Hope this helps
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Service Stability Sys and Service Brake Asst message

This usually happens when one or more of the wheel speed sensors is not reporting correctly and/or the brake control module has a fault.
First, check your tire pressure, as this can cause this to happen.
Next have the ABS codes scanned. This will tell you more clearly what is happening.
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