Brake Antilock Wheel Speed Sensor Problems of GMC Sierra 2500

Tl the contact owns a 2020 GMC Sierra 2500. While driving 5 mph, the brakes engaged automatically and the traction control warning indicator illuminated. The vehicle was taken several times to carl black Chevrolet Buick GMC (located at 1110 roberts boulevard northwest, kennesaw, GA 30144, (888) 457-2417). The dealer diagnosed that the speed sensor needed to be replaced. The vehicle was repaired, but the failure continued. The dealer diagnosed the vehicle again and stated that the wheel hubs needed to be replaced. The vehicle was repaired, but the failure recurred. The dealer diagnosed the vehicle a third time and stated that an unknown steering angle sensor needed to be updated. The vehicle was repaired, but the failure continued. The manufacturer was informed of the failure. The failure mileage was 571.

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The contact owns a 2001 GMC Sierra 2500 hd. While driving approximately 20 mph the contact applied pressure to the brake pedal and the vehicle hesitated to stop. The contact stated that he needed to apply excessive pressure to the brake pedal in order for the vehicle to stop. The vehicle was taken to an independent mechanic who stated the wheel speed sensor was damaged due to corrosion. The vehicle was not repaired. The mechanic was unable to inform the contact what repairs needed to be done to correct the failure. The dealer stated there was a recall but the VIN was not included. The NHTSA campaign id number was unavailable. The approximate failure mileage was 36,000.

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1) abs speed sensor corrosion causing an unsafe braking situation at speeds below 10 mph. 2) failure occurs every braking situation when below 10 mph 3) 2003 model year not included in current recall by GMC .

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Wheel speed sensors corroded, anti-lock brakes malfunction at low speed.

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The contact owns a 2000 GMC Sierra 2500. The abs system intermittently activates without warrant. This condition caused the brakes to lock. On one occasion when this failure occurred, the brake pedal fell completely to the floor. The vehicle was taken to an authorized dealer for inspection. The technician stated the wheel speed sensor exhibited excessive corrosion. The vehicle was taken to an independent mechanic for repair service. The failure mileage was 112,000. The current was 112,759.

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Abs triggers for no apparent reason when applying brakes to my 2002 GMC Sierra 2500 hd. I'm told there was some type of a recall due t corrosion of an abs wheel speed sensor, but no dealer will speak to me.

When slowing using the brake system, the vehicle actually loses braking effectiveness for a short time (less than 1 second) just before the vehicle actually stops- at about 3 to 5 mph. The is then a pulsing feel in the brake pedal and the vehicle then stops. The point is that there is actually a momentary loss of braking effectiveness in the last few moments of a normal stop. Fortunately, them, only "low speeds" are involved; unfortunately, this is very unsettling when stopping at a busy intersection or in congested traffic. It leaves one wondering if/when the brake function will actually fail altogether. I had the problem investigated by my dealer and was told that it involved the anti lock sensors which may be fixed by cleaning. If that wouldn't fix the problem, the sensors would have to be replaced. Costs: cleaning $160; replacement: $1250. Cleaning did not correct the problem.

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: the contact stated the vehicle stalled on three occasions. All incidents occurred during acceleration while traveling 25 to 35 mph. There were no warnings prior to the incidents and the vehicle had no problems restarting. The dealer could not duplicate or resolve the problem. Updated 11/16/2006 - there were subsequent problem restarting the vehicle, and as many as 3 to 5 stalling episodes per week. Not all incidents occurred while traveling. Some incidents occurred while at idle, and at a stop. Complete loss of power steering and brakes occurred when the vehicle stalled. The dealer diagnosed the problem as a faulty crankshaft sensor and replaced it. Recently the check engine light has illuminated. The dealer diagnosed the problem as a faulty transmission selector position sensor and replaced it. The abs activated while driving on dry pavement. The dealer found it necessary to replace both front abs wheel speed sensors.