Question about 2003 Cadillac CTS

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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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  • 196 Answers

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

Posted on Nov 09, 2017

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6 Suggested Answers

6ya6ya

6ya staff

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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

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

Posted on Sep 26, 2008

dealt_soul

James Bradburn

  • 296 Answers

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

Posted on Jan 19, 2009

Anonymous

  • 54 Answers

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.

Posted on Feb 04, 2009

steve noel

  • 750 Answers

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

Posted on Sep 12, 2009

Anonymous

  • 1 Answer

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.

Posted on Sep 15, 2009

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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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Jesse, The module will not stop fluid to rear brakes, a bad master cylinder will,leaking lines, air in brake system, faulty metering block if equipped, collapsed flex lines or pinched brake line faulty caliper or brake cylinders,etc. will cause the possible feeling of no rear brakes.
(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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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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1 Answer

My 2003 cts fill like im driving with a flat tire. Then the service stability system light comes on my navigation. How do I now what to fix?


SERVICE STABILITY SYS
Refer to ABS Description and Operation in Antilock Brake System ! You need to take it an have DTC'S diagnostic trouble codes read ! That will point you to a diagnostic path !
Vehicle Stability Enhancement System (VSES)
The vehicle stability enhancement system (VSES) adds an additional level of vehicle control to the electronic brake control module (EBCM).
Yaw rate is the rate of rotation about the vehicle's vertical axis. The VSES is activated when the EBCM determines that the desired yaw rate does not match the actual yaw rate as measured by the yaw rate sensor.
The desired yaw rate is calculated from the following parameters:
?€¢
The position of the steering wheel


?€¢
The speed of the vehicle


?€¢
The lateral, or sideways acceleration of the vehicle

The difference between the desired yaw rate and the actual yaw rate is the yaw rate error, which is a measurement of oversteer or understeer. If the yaw rate error becomes too large, the EBCM attempts to correct the vehicle's yaw motion by applying differential braking to the appropriate wheel. The amount of differential braking applied to the left or right front wheel is based on both the yaw rate error and side slip rate error.
The VSES activations generally occur during aggressive driving, in turns or on bumpy roads without much use of the accelerator pedal. When braking during VSES activation, the pedal pulsations feel different than the ABS pedal pulsations. The brake pedal pulsates at a higher frequency during VSES activation.
If you do not know about this , I suggest you take it to a ASE certified repair shop that does !

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1 Answer

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.

Aug 24, 2015 | 2003 Cadillac CTS

1 Answer

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...


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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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1 Answer

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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