Question about 2004 Cadillac CTS

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2004 cts 3.6 Service Brake Assist light came on alone with ABS light. What is wrong with it??

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SUL827
  • 93 Answers

SOURCE: nissan quest 2004 problem

Check the level of your brake fluid, if it is low it will sometimes put all these warnings lights on together. If you find its low it is most likely due to the fact that you need your brake pads replaced. You can test this by adding a little fluid to the resevoir (just enough to shut off the lights). Do not fill to the top cause when you do replace the pads the fluid will get pushed back into the resevoir and overflow. Hope this helps.

Posted on Oct 21, 2008

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chuck943
  • 783 Answers

SOURCE: 2004 focus brake & ABS light on

Ok the reason I ask is that will help to pinpoint the concern. See ABS system when you first turn the ignition on will do a self test on itself,light turns on for a few seconds then turns off if everything proves out. Then when you start driving once you reach about 12 mph it will activate the pump and perform a 2nd self test.If everything is ok light stays off,if it see's a problem it turns on the light and disables the ABS.
Since yours comes on after you start driving then problem is most likely a wheel speed sensor concern. Since you just did a rear brake job and the problem started after this I would say it is one of the rear sensors.You need to look at the sensors and make sure the sensor and ring look ok and that you didn't get grease or dirt in the teeth of the sensor ring or maybe bent the end of one of the sensors and make the gap larger between sensor and ring.

Posted on Feb 21, 2009

  • 497 Answers

SOURCE: 1996 rodeo, ABS/Brake warning light on dim, will

Get an OBD reading

Posted on Oct 07, 2009

emissionwiz
  • 76846 Answers

SOURCE: ABS and service light reset after brake change

the ABS light resets itself every time the key is turned off and on, it is self testing and will only turn the light on when there is a problem in the ABS system, worn out brakes don't cause the ABS to come on, if the light is on the system has a fault present and it must be tested with a factory system scanner to determine the source of the fault or at least the area that is causing the problem, that can be one of the four wheeel speed sensors, a defective ABS hydraulic control unit and sop on.

Posted on Jul 02, 2010

duane_wong
  • 6826 Answers

SOURCE: i have a 2004 Cadillac

The ABS module may be bad if it has false ABS, TC, and Brake Light on and the Shift lock won't release.

Posted on Aug 23, 2010

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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

2 Answers

Disable ABS without losing brake lights?


Many of the master cylinders have connection for a brake light pressure switch. Some also active the brake lights by placing a switch directly under the brake pedal. You may need to build your own bracket.

Nov 22, 2013 | 2004 Cadillac CTS

1 Answer

How do I disable ABS without loosing brake lights?


that shouldnt be, put the fuse back and see if lights return . next go to front hubs you will see wires coming out of the hubs unplug and clean the contacts then plug in again abs will probley work . other wise onplug and black tape[ well ]the wires going up the frame so if a person changes hubs the abs can be easlie reactivated.

Nov 22, 2013 | 2004 Cadillac CTS

1 Answer

TC, ABS and Service brake assist lights are on after changing speed sensor.


make sure your sensor is aligned properly check your connections have you driven the car since you changed sometimes you need to drive the vehicle to reprogram the speed sensor into the abs circuit these are fused circuits check your fuses

Jul 07, 2012 | Cadillac CTS Cars & Trucks

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

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

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.

Oct 23, 2009 | 2004 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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