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The brake light and abs light & service engine always stay on

The brake light and abs light always stay on same for the service engine soon light. I just had the engine serviced and brakes. the light was off for a day or two then back on. this has happen in the past after work was done at the dealership light is off then comes back on after worh is done.

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Abslight stays on. How to fix? This is a2007trailblazer?


First you need to have EBCM - electronic brake control module check for DTC'S - diagnostic trouble code's . If the light is on there is a code stored . I think most part stores can do this and for free . After you find out what code is stored , looking up that code in service repair information for diagnostic trouble shooting chart would be next step . There are a few codes too.
DTC C0035 or C0040
DTC C0045 or C0050
DTC C0110
DTC C0131
DTC C0161
DTC C0186
DTC C0196
DTC C0201
DTC C0240
DTC C0241 or P0856
DTC C0244 or P1689
DTC C0245
DTC C0283
DTC C0287
DTC C0290 or C0292
DTC C0455
DTC C0550
DTC C0558

Find the code do the diagnostic's , fix the problem , wiring issue's , a sensor , bad module ,what ever it is . The light will go out then . Here is a sample of code discription .
• DTC C0035 Left Front Wheel Speed Sensor Circuit
• DTC C0040 Right Front Wheel Speed Sensor Circuit

Dec 30, 2016 | 2007 Chevrolet Trailblazer

2 Answers

"A SENSOR WAS CHANGED ON MY 2006 PONTIAC TORRENT RECENTLY TO FIX SERVICE ENGINE LIGHT. THEN ABS LIGHT AND BRAKE CAME ON AND STAYED ON. While driving there are no problems with brakes. How should I...


The ABS sensor is dirty or defective. The wire that attaches to the ABS sensor has a loose connection or the wire broke off. It could also be a worn wheel bearing. It is important. When you hit a deep puddle of water with one or more tires, the speed of rotation slows down a lot. The sensor detects this in a one sixtieth of one second to apply the brakes only on the wheels that are spinning faster to prevent the car from swerving and losing control of your car. It can apply the brakes much faster than people. The system maintains proper rotation for each wheel independently from the other wheels. It can apply the brakes to one or more wheels out of four to keep the car going in a straight path. Some ABS sensors are in the hub, so you have to replace the hub assembly with the ABS sensor. You cannot just replace the ABS sensor only if it is in the hub assembly.

Jun 11, 2014 | 2006 Pontiac Torrent

1 Answer

2004 Ford Explorer ABS, Service Engine Soon lights stay on and the 4x4 light flashes. Why?


Abs is bad sensor in hub bearing,engine light you need obd 2 scanner to read and reset code,

May 11, 2013 | 2004 Ford Explorer

2 Answers

Service engine soon, trac off anti-lock brake light on


if your car has an automatic trassmision , the problem is the clutcht not the ABS

Jan 15, 2013 | 2001 Oldsmobile Alero

1 Answer

Ive got a 1983 Subaru GL wagon, Automatic trans. non turbo. My problem is that the brake fluid, stop lam, and A.T. Oil temp warning lights on the dash stay on constantly. I noticed that whenand if they...


Yes it may be the wires are shorting or its actually the problem with instrument cluster.
Also get the vehicle scanned for any error codes stored in computer this will confirm whether is short circuit issue or actual problem:------
I suggest you few help links with accurate solutions to refer/go through:----Click the link below:------

Battery and brake Warning lights on Dash
http://alltypesofpartsreplacing.blogspot.com/2012/10/battery-and-brake-warning-lights-on-dash.html
--------------2002 Ford Windstar: Brake Warning Light ON dash? http://schematicsdiagram.blogspot.in/2012/06/2002-ford-windstar-brake-warning-light.html
-------------ABS & Brake warning lights remains steady on dash? http://schematicsdiagram.blogspot.com/2011/12/abs-brake-warning-lights-remains-steady.html
-----------Chevrolet Tahoe Hood open warning on dash and alarm sounds? http://schematicsdiagram.blogspot.com/2011/12/chevrolet-tahoe-hood-open-warning-on.html
-----------2005 Chevy Impala: Service Vehicle Soon Warning Light? http://whoisbyme.blogspot.in/2012/06/2005-chevy-impala-service-vehicle-soon.html -------------- Malfunction Indicator Light ON http://whoisbyme.blogspot.in/2012/06/malfunction-indicator-light-on.html
-----------Car Runs Fine But Check Engine light is ON?

http://whatisbyme.blogspot.in/2012/05/car-runs-fine-but-check-engine-light-is.html

----------
Check engine light with codes P2195 and P2197?

http://howtobyme.blogspot.in/2012/01/check-engine-light-with-codes-p2195-and.html

----------
How to Read Codes from Check Engine Light? http://schematicsdiagram.blogspot.com/2011/12/how-to-read-codes-from-check-engine.html
-------------These will help.Thanks.

Nov 26, 2012 | Subaru Impreza Cars & Trucks

1 Answer

I have a 2003 Pontiac Grand Am Track off light and ABS light and Sevice Vehicle Soon light stays on all the time. Sometimes the emerge light comes on.(i, P light). For the Service Vehicle light, I...


the traction control system works off of the abs system so there is a code in the abs module that needs to be pulled so you know were to start to check the system out.the service engine light is a different system all together and there is a code in the ecm that must be pulled so you know were to start to check to repair that system.you don`t say why you jumped to the conclusion that the gas cap set a code.the emergency brake light will come on if the e-brake is not all the way in the off position(something may be holding the lever up just enough to put the light on.the switch could be misadjusted and needs to e readjusted.

Mar 30, 2011 | Pontiac Grand Am Cars & Trucks

1 Answer

Service Vehicle, Trac Off, & ABS lights 2001 Buick Century.


I just put in new fron pads in my 2000 buick century and the track off and the anti lock brake light and the service engine soon stays on

Jun 16, 2010 | 2001 Buick Century

1 Answer

Service engin soon , Anti lock brake, & Trac control lights came on while driving 55 mph


CHECK ALTERNATOR OUTPUT.MAKE YOUR VOLTAGE OUT PUT IS 13.5 TO 14.5 VOLTS.IF NOT ALTERNATOR BAD IF ALTERNATOR GOOD THE DEALERSHIP HAS TO HOOK CAR TO DIAGNOSTIC TO CHECK THE ENGINE PCM CONTROLS AND ABS BRAKES AND TRAC.SYSTEM.REASON I SAID ALTERNATOR BECAUSE I SEEN ALTERNATOR GO BAD UNTIL IT OUTPUT WAS LOW CAUSING CHECK ENGINE LIGHT AND ABS LIGHT TO COME ON.

Mar 10, 2010 | 1999 Oldsmobile Alero

1 Answer

I replaced the transmission in my 1998 oldsmobile intrigue and now the service engine soon, abs ans tcs lights won't turn off. I have had diagnostics run on it and no codes are found on the computer. I...


THE SERVICE SOON LIGHT IS DIFFERENT FROM THE SERVICE ENGINE SOON LIGHT. MINES ARE ALSO ON AS WE SPEAK . I THINK I NEED TO SERVICE MY ABS BRAKES. WHEN YOU PUT YOUR CAR ON THE SCAN IT SCAN ENGINE CODES

Feb 13, 2010 | 1998 Oldsmobile Intrigue

1 Answer

Service engine soon/ABS/Trac lights are staying on


Have the ABS codes scanned. This will get you started in the right direction. Possibility is that one or more of the wheel speed sensors is not working or intermittent - could be wiring or connectors on these as well. Another possibility is the EBCM, Electronic Brake Control Module. I believe the EBCM will throw 1216 code in many cases. THese can be rebuilt online for about $150.00.
The more likely problem is the wheel speed sensors. THese are an integral part of the wheel hub. About $100.00 each for the part. About $250.00 each to have them replaced. They can be tested with an AC voltmeter by spinning the wheel. Also, they should read roughly 850 ohms resistance. The ABS codes will tell you which ones are not reporting.

Nov 15, 2009 | Oldsmobile Alero Cars & Trucks

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