Tag Archives: Speed Sensor

A bad wheel speed sensor is a common cause of the ABS or traction control light to come on the dash of your car or truck. Learn what it means and what you can do about it.


2002 Chevy Impala ABS and Traction System

I keep getting the Service Traction System light on my 2002 Chevrolet Impala and when that light comes on so does the ABS light. And naturally the light that says Traction System is off light comes on. I have changed both wheel bearings twice on each side. But, the light comes on as soon as I start the car. The wheel doesn’t even have to…

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2004 Buick Regal ABS, TRAC OFF And Engine Light

I have a 2004 Buick Regal LS with 194k. I haven’t had any major issues with it, but tonight I was driving and, randomly, the car started kind of bucking and jolting forward upon accelerating. I was almost to my location so, when I got there, I turned it off for about 10 minutes. It started up fine, but I noticed the ”trac off” light…

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2006 Buick Rainier Won’t Shift And Speedometer Not Working

I have a 2006 Buick Rainier. Last night everything was fine. This morning when we were on our way to the store it would not shift and the speedometer stopped working working. What can i check to repair this problem. These 2 items would be related to one thing- the vehicle speed sensor(VSS). The VSS sends speed signal to the powertrain computer for speedometer operation,…

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1999 Oldsmobile Alero Whistling Noise

I have a 1999 Oldsmobile Alero and it’s making a whistling noise. Sounds like it’s coming from the vacuum pack at the rear end. It will be fine when I first start it but then after about 2 miles of driving it starts making the noise. It will do it no matter if I’m driving or if I’m in park. I don’t know what it…

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1996 Dodge Dakota Speedometer Not Registering

I have a 1996 Dodge Dakota and my speedometer isn’t registering. I’ve replaced the speed sensor and it still doesn’t register. ProTech: You could have a faulty speedometer, which would require replacement of the instrument cluster. Or there could be a wiring problem somewhere between the vehicle speed sensor and instrument panel gagues cluster. OK, cause all the other sensors register in the cluster. That…

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My 2002 Buick Regal Has ABS And Traction Lights

I have a 2002 Buick Regal and the service vehicle soon, anti-lock and TRAC lights are all lit up. Will a bad throttle position sensor cause this problem? ProTech: A bad throttle position sensor can cause the service vehicle soon light to come on, but it will NOT set the anti-lock light or traction light on. More than likely you have an ABS problem that…

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Common Cause For Chevrolet Equinox ABS Light

Here’s something we as technicians see a whole bunch of….bad hub bearings. Whether they are causing the Antilock Brake (ABS) light to come on, or are just making a terrible grinding or growling noise as you drive, these are replaced almost daily at our shop on just about every model of vehicle. Today I had a regularly seen vehicle in the shop, a Chevrolet Equinox.…

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2001 Chevrolet Suburban ABS Activation

My 2001 Chevrolet Suburban has the ABS brakes kick on when I come to a stop…most of the time. I have been told abs speed sensors or EBCM module. My ABS and brake lights don’t work. they aren’t on and don’t come on even when I start the car. From your experience what is the more common problem and why are my lights not working? Usually a…

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Tire Pressure Light Description and Operation

Tire Pressure Monitor System Description The tire pressure monitor system was developed many years ago to alert the driver to a tire that is loosing air. As one or more tires lose air because of a leak as compared to the other tires, a warning light or message will come on the dash. A module or computer is used to monitor the system and has…

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2003 Buick Century ABS and Low Trac Lights On Dash

I have a 2003 Buick Century and there are several warning lights that come on at different times when I am driving. the low track light, the abs light, and etc. These lights are all yellow-orange in color not red. I have checked the car several times myself and have had it checked by mechanics also. When we put a diagnostic computer on it there…

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Chevrolet Equinox Brakes Vibrate And Warning Lights

Live Chat: I’m having the same problem as far as the ABS and Traction control light coming on. I have a 2005 Chevy Equinox and when ever I start the truck and go to pull off the brakes starts to vibrate and is hard to stop until the ABS and Traction control light comes on and then your able to brake with no problem but…

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2004 Chevrolet Suburban Service Stability Light

Wondering if you knew what the code co455 for a 2004 Suburban. Protech: That code is for the steering wheel position sensor. Usually those need replacement when this code occurs, as the module cannot exactly see what position the steering wheel is in at a certain time while driving. All that is tied together with the steering wheel ? Yes, that code is part of…

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