Question about 2005 Cadillac CTS

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Cadillac cts 2004 service brake assist message turns on as well as the abs and traction control lights what could be the problem

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 2001 oldsmobile silhouette traction corntol is off and ABS light

I agree with the post about the tail lights. And the symptom about the brakes on when starting was also helpful. When I took off my rear tail lights and removed the top light bulb (top of the 4 is closest to connector) then repeat starting the car the problem is gone. I have a whole drawer of these bulbs that I removed, not because the filament was burned out, but because the base (similar to circuit card edge connector) had heat damage and melted. I am not sure exactly what the problem is but I think there are multiple conductors in the fixture which are too close or get moisture shorts. Anyway I hypothesize the circuit for daytime running lights is leaking current into the brake light circuit, and it causes that module that controls traction control and ABS to declare a fault. When you start with foot on the brakes the brake lamp is pulled on (I don't know if switches hi or lo) so that module doesn't declare the fault until you release the brakes.

I put in new bulbs and it works fine for now, but I know it may reappear some day then I will repeat, disassembly of the fixtures and inspect bulb bases for heat damage and clean out and replace. That is what did the trick for me.

Thanks Fixya and all contributors

Posted on Feb 07, 2009

  • 50 Answers

SOURCE: 1995 cadillac deville abs and traction control

chek conection on spead sensors by calipers

Posted on Mar 13, 2009

  • 27 Answers

SOURCE: ABS LIGHT AND TRACTION CONTROL LIGHT ON DASH

make sure u didnt break a wire, there are sensors on the brakes, make sure theyre plugged in

Posted on Jun 10, 2009

  • 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

  • 223 Answers

SOURCE: 2003 Cadillac CTS - the car won't shift from park

sounds like you have a bad brkae light switch, which is located on the brake pedal assembly. a bad switch will not let you shift out of park and you will not have any brake lights as the car does not recognize that the pedal is being pushed and brakes engaged. easy to replace switch if you are handy, if not this is a inexpensive repair at any mechanic. hope this was helpful is so please rate 4 thumbs.

Posted on Jan 12, 2011

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Why does my ABS light stays on and sometimes i get a vibration in the brake petal causing my 2002 Cadillac escalade not wanting to stop?


Sounds like a fault with the Antilock Braking System. The vibration in the pedal is the ABS working. With your foot on the brake pedal, it releases and re-applies the brakes to stop a skid from the wheels locking up. You need professional service for brakes.

Seems to be a known issue on all Cadillac and requires the ABS module to be replaced.

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repairpal.com > Problems > Cadillac > DeVille DTS ABS Light Due to Control Module Failure on Cadillac DeVille DTS. The anti-lock ... ABS and Traction control light stays on. ... abs light to abs control stay on.

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repairpal.com > Problems > Cadillac > Seville SLS ABS Light Due to Control Module Failure on Cadillac Seville SLS. The anti-lock brake ... SLS135,000Jumsee. Abs and traction lights stay on when started.

Jan 12, 2016 | Cadillac Cars & Trucks

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...


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.

Jan 30, 2015 | 2003 Cadillac CTS

1 Answer

2006 cadillac abs and traction control light on and grinding when my tires spin


You can thank the Federal Govt for the Trac Control that is
imbeded into the ABS Braking System

I have that on my 2004 Lincoln LS & sorry I ordered it

On snow it cuts off injectors & slams on rear brakes

Total Waste & useless technology from my 1960's
perspective. I live in the US but grew up in Canada
so I have lots of experience in snow,more in NJ than Ont

I have yet to figure a way to disconnect it using the wiring
diagrams

Nov 30, 2012 | 2006 Cadillac CTS

1 Answer

Tc, abs and service brake assist lights are on


Could be a wiring problem or the object that triggers the sensor.

Jul 07, 2012 | 2004 Cadillac CTS

1 Answer

2003 cts, i took it for a safety and they did not disable traction control, when putting the vehicle on the hoist, now the traction control and abs lights come on randomly, but turn off when i restart the...


well while putting the car on the lift, traction control does not need to be disabled, and will not cause the abs/traction light to illuminate, these cars are known to have terrible wheel speed sensors that are brittle and tend to brake or malfunction for no apperent reason, and the wheel speed sensors are what control your abs and traction conrol units and they are normally what make the light come on on your dash, the warranty on the sensors was prolonged for that reason, so depending on the mileage of your car they might be covered, hope this helps

Aug 30, 2011 | 2003 Cadillac CTS

1 Answer

What if the traction control and anti lock break system light is on


You most likely have a problem with one of the wheel speed sensors, the related wiring, or the ABS system itself. The traction control and ABS system both work together and rely on the same input information to work. A fault in the ABS system will cause both the ABS and TRAC control lights to illuminate and both systems will be disabled until the fault is gone. I would have a good service facility or dealer look at this one. One quick check you can do is to make certain that the brake fluid master cylinder is properly filled with brake fluid because if it is low enough it can also cause the systems to be disabled.

Jun 09, 2010 | 2004 Cadillac CTS

1 Answer

Having issues with my brakes.


Will probably be caused by either a wheel speed sensor or abs module fault.

Jun 17, 2009 | 2006 Cadillac CTS

1 Answer

ABS TURN LIGHTS COME ON


need to get abs codes read. it will tell you what wheel to look at.
1.bad wheel bearing, sensor is part of bearing.
2.broken wires to sensor.
3.traction control part of abs

May 06, 2009 | 2004 Cadillac CTS

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