Question about 2005 Chevrolet Tahoe

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Why does the ABS system keep activating in my 2005 tahoe for no reason mostly on take off?

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Most likely you have a wheel speed sensor problem and one sensor is dropping out causing traction control to kick in. this works off of abs system. if your abs motor is just running all the time the ebcm has internal failure and would need replacing. there is a ground wire on left side of frame would be rt under drivers side body mount behind front tire. try cleaning this area by removing bolt and scuffing frame if it gets corroded abs will do some funny things. worth a shot wont cost you anything.

Posted on Sep 27, 2010

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My abs light keeps turning on and off and sometimes when stopping under 5 miles an hr the break petal will pulsate i have a chevy tahoe


You didn't list the year, but false ABS activation is usually caused by dirt or metal particles on the wheel speed sensor. Read the post below to find causes for ABS lights
Brakes Archives Ricks Free Auto Repair Advice

Mar 31, 2017 | Chevrolet Tahoe Cars & Trucks

1 Answer

My boyfriend has Chevy Tahoe 2001 and our mechanic told us that we have a problem with ABS CM because indicator lights on while driving. Where should we go for diagnosis and repair?


Slow speed activation?
Have a good general service mechanic check your front wheel bearings for excessive play. Most reputable garages have the necessary diagnostic hardware to check most vehicle systems.
There may also be stored active or pending ABS codes that can guide a tech to a probable solution.

Dec 16, 2014 | Cars & Trucks

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Ford maverik, 1996 2.4 petrol. Breaks failed once, abs activated, pedal didnt toucn floor, but it didnt wanna stop. Abs was working v hard but with little breaking. Would this happend if one of the breaks...


The most common reason would be a bad wheel sensor. the computer may have received a signal that one wheel was locking up and so it keeps releasing brakes until all wheels are spinning at same speed. this can get scary, your braking but car wont stop. have the abs computer scanned for any codes, the codes will tell you where the problem is, lets hope theres a code. otherwise you will need to wait until it gets worse or happens again. good day.

Feb 22, 2012 | 2005 Ford Maverick 2.7

1 Answer

MESSAGE CENTRE TC


TC = Traction Active

If your vehicle is equipped with the Traction Control system, this message will stay on a few seconds after the traction system stops limiting wheel spin.

This message will appear when the traction control system is limiting wheel spin. Keep in mind that when the warning lights turn on, a fault code is stored in the ABS control module (in this case). Retrieving, diagnosing, and repairing any ABS system faults will be necessary to keep the light off. A common fault with ABS systems are the wheel speed sensors, stored codes may confirm this.

Hope this helps.

Apr 13, 2011 | 2005 Chevrolet Impala

1 Answer

Anti lock brakes working all the time and brakes not working properly


Faulty ABS sensor in the front wheel hub. Inspect the ABS sensor in the front wheel hub, your going to have one in each side so inspect both of them. Common for the sensors to pick up dirt giving faulty signal or no signal at all giving the impression that the wheels are not moving.
Start with the simple and inspect the ABS sensor and wire leads. Replace any worn or damaged parts.
Thank you for using fixya and be safe, you can for the time being. Remove your ABS fuse to keep the ABS from working so you have 100% brake control.
Common to have build up of rust on the sensor, which once removed should fixed the issue.
#PIT3707: Information on the Upcoming Safety Recall 05068 Front Wheel Speed Sensor Corrosion - keywords ABS activation brake campaign sensor speed unwanted - (Sep 1, 2005)
1999-2002 Chevrolet Avalanche, Silverado, Suburban and Tahoe
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:

These vehicles may experience unwanted antilock brake system (ABS) activation and increased stopping distances during low-speed brake applications (greater than 3.7 mph but less than 10 mph). This condition does not set any ABS codes nor does it illuminate the ABS warning lamp. This condition is more likely to occur in environmentally corrosive areas, based on field report data from the U. S. and Canada.
To correct this condition, dealers are to remove the wheel speed sensor and thoroughly clean the wheel speed sensor mounting surface on the bearing, apply Zinc-X (rust inhibitor) to the cleaned surface, grease the mounting surface, reinstall the wheel speed sensor, and check the peak-to-peak output voltage to ensure the wheel speed signal is within specifications. These repairs will be made at no charge to the customer.
Approximately 804,000 vehicles are involved. GM is working with its suppliers to obtain the required parts as quickly as possible. Based on the anticipated schedule, we plan to begin notifying customers about this recall in November 2005.
GMVIS information for this recall will not be available until the recall bulletin is released to dealers in November 2005.
Recommendation/Instructions:
Do not attempt any repairs until Campaign 05068 is released.

May 13, 2010 | 1999 GMC Yukon

1 Answer

2001 Chevy Silverado anti-lock brakes activate on dry pavement, the pedal pulsates, the typical anti-lock brake sound is heard, and the truck feels like it is not going to stop at times


One of the sensors has gone bad and needs to be replaced, the other thing to that would also do that is the ABS sensor is dirty or needs to be re gaped to the speed ring on the hub. There was a issue bulletin with your Tahoe on the ABS activating under 8 km/h. Good luck and hope this helps, if not clean out the sensor with brake parts cleaner and check the wire harness and ABS sensor bracket. Re gap the sensor to the speed ring hub. Here is the bulletin. Anti lock Brake (ABS) Activation at Low Speeds (Clean Wheel Speed Sensor Mounting Surface) #03-05-25-007C - (05/16/2006) 2001-2006 Chevrolet Suburban, Tahoe

Jun 05, 2009 | 2001 Chevrolet Tahoe

1 Answer

Satrun Vue 2005 ABS activates for no reason


It may just new brakes, pull the ABS fuse and see if the problem still exists, if it does then it's not a ABS problem

Mar 18, 2009 | 2004 Saturn VUE

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