Question about 2002 GMC Yukon XL

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2002 Yukon ABS Issue - EBCM?

I have a 2002 GMC Yukon XL. A while back after a long drive a motor would not quit running. It was decided to be the ABS system. We were told that we could pull the fuse on this device and the motor / pump would quit running and would not significantly affect braking performance under normal conditions. I was also told that the contacts can get dirty and that before I replace the board I should clean them. My problem is that I don't know where it is. Can anyone make sence of this and direct me to the best course of action? How do I clean it - we live back on a very bumpy dirt road that was mud for about 6 months. The ABS light is currently on whenever the yukon is on.
David Rowe

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This is caused by a stuck relay in the EBCM which is under the vehicle below the drivers seat.

Posted on Dec 04, 2008

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Traction active message coming on in a 2003 hummer h2

Hello! This is usually the result of a wheel speed sensor issue. Most technicians look for WSS fault codes, to decide which one is failed, but if there are no fault codes, they don't know where to look. The trick, is with the scantool hooked up, watch the ABS solenoids and see which ones activate during the traction event. If the Wheel Speed Sensor is acting up, it can confuse the ABS module into thinking that wheel is slipping and it will activate the ABS pump and solenoids for that wheel, to try and slow it down.
With the stability system disabled, it won't try and slow the "slipping" wheel down, which is why it won't do it when disabled.
and the noise you hear is probably the ABS motor and solenoids, which are mounted on the Left Frame Rail, below the drivers seat (often heard at the firewall).
There was a bulletin to replace the Yaw Rate Sensor and update the ABS Software, which is probably where the $400 went, and it may have needed it, but obviously that wasn't the problem. I beleive that the issue lies withing the Wheel speed sensors.
the most common symptom of speed sensor failures is premature ABS activation, but I have in some instances see it cause Traction Control events take place as well. Here is a service bulletin for unwanted ABS activation:
Subject: Antilock Brake (ABS) Activation At Low Speeds (Clean Wheel Speed Sensor Mounting Surface) Models: 2002-2006 Cadillac Escalade, Escalade EXT 2003-2006 Cadillac Escalade ESV 1999-2006 Chevrolet Silverado 2001-2006 Chevrolet Suburban, Tahoe 2002-2006 Chevrolet Avalanche 2003-2006 Chevrolet Express 1999-2006 GMC Sierra 2001-2006 GMC Yukon, Yukon Denali, Yukon XL, Yukon Denali XL 2003-2006 GMC Savana 2003-2006 HUMMER H2

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Jan 12, 2015 | 2003 Hummer H2

1 Answer


GM states this code is for the ebcm electronic brake control module, I have replaced alot of these over the years the motors short internally and the entire assembly must be replaced. sometimes the main abs fuse will pop and you replace it only for it to pop again because motor in side is shorted to ground.

Aug 23, 2014 | GMC Yukon XL Cars & Trucks

1 Answer

My anti lock brake light and my brake light stay on. I replaced the abs relay and still has problem. My daughter locked up brakes and spun around on the freeway and I think it is the EBCM

Sounds more like you have a caliper sticking or the lock up caused another issue. Double check the master cylinder and test the splitter module. It should not have locked up the brakes on the highway. ABS is supposed to reduce that from happening. This usually occurs when teh splitter module malfunctions.

Apr 30, 2011 | 2002 GMC Yukon XL

2 Answers

Abs system keeps running even when you cut the truck off.

Common problem in GM's. Had it happen in my 2001 Tahoe. There is a company in Russia, IA who rebuilds the module for less than $200 and gives a 5 year warranty. Cheaper and better than you can get from GM.

Go to E-Bay and do a search on ABS module and you can then find their website for full instructions and details about this modification. I did it, and am well pleased with their work.

Dec 17, 2009 | 2002 GMC Yukon XL

2 Answers

Where exactly where the EBCM is located in 2002

You mean ecm b fuse, it is in the engine compartment fuse box , look on the left fender firewall , black box labeled fuses and relays... flip lid over it is labled for you to reference...hope this helps...thanks

Aug 26, 2009 | GMC Yukon XL Cars & Trucks

1 Answer

2002 Yukon XL

i serviced my 2004 yukon for abs light came on they told me it was the right front abs speed sensor wire , which is sold sepratly or with wheel hub cost$ 300 or 57$ for just sensor wire, i did all brakes changed sensor and for awhile the stayed off but comes on and at about 20 mph it turns off ?

Jan 25, 2009 | 2002 GMC Yukon XL

1 Answer

ABS light and pump

after you took the fuse out and it stopped did you put the fuse back in and see if it continued to run?

Sep 02, 2008 | 2002 GMC Yukon XL

1 Answer


No, absolutely not, although the EBCM might possibly be the problem, it is a costly item and 95% of the time is replaced for nothing. Make sure to get the system diagnosed properly, if he can't get a reading from the diagnostic machine, check the abs (EBS) fuse(s), it (they) might be burnt. Then check for fluid level and fluid leaks in the brake system. If these are OK, get the wiring checked to the EBCM for powers, grounds, and data (diagnostics).

Aug 27, 2008 | 2002 GMC Yukon XL

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