Question about Chevrolet Equinox
Hello! Since the fault is affected by disassembling then re-assembling I strongly suspect a faulty connector...A loose or bent pin, poor crimp, broken wire inside it's sheath or harness that is damaged by a tight bend...The wiring involved are cable runs from the speed sensors to the Electronic Brake Control Module (EBCM)...This is a very difficult fault to locate...Since it is occurring on many vehicles, It more than likely is a harness that is to tight; Especially around a solid object...A visual inspection of the involved harness run especially at connection points should be done...The speed sensor connectors at the wheel hubs (especially the front) are the most suspect...I would replace all four connectors...Here is a picture of the connector...AC Delco part # PT786...Cost $25
At the EBCM a 30 pin connector receives sensor signals on pins 1,3,4,5,6,7,8, and 9...
Look for loose pins, poor crimps, or damaged wires...Guru....Saailer
Posted on Oct 10, 2010
***MUST READ FOR EQUINOX ABS SENSOR ISSUES***
Most mechanics do not think this far a head as the problem can be caused multiple things.
The most common is the wheel bearings wear out causing the break sensor to touch the hub causing the sensor to error out.
If it happens to one bearing the rest are going to be bad soon. So fix them all.
The good thing is the fix is relatively easy. The bad thing is the parts are a little pricey.
You'll have to replace all the wheel hubs to fix the problem.
Here is another part that also requires attention and repairs to fix the ABS errors. If any of the other parts in the suspension are worn it will affect the rotation of the wheel and sensors, mostly when breaking. Example: if the front struts are worn out or have lost the gas charge the wheel will have some "chatter" when breaking. It may not be noticeable to the driver or you may not feel it in the steering wheel. However, the wheel sensor picks this up as loss of traction. So, if you replaced the hubs and you are still having the same issue, replacing the struts along with the wheel hub could fix the problem. Have your mechanic look at the rest of the suspension parts to ensure there are not any issues.
Another benefit to repairing the worn suspension parts is your vehicle will drive nicer and will be much safer to drive.
As you were told when you were a kid, "pay attention
Posted on Jul 05, 2014
Since the sensor and module were replaced that means that the only thing left is the wires from the sensor to the module
seen multiple failures here do to road damage
the "official" fix is to replace the front harness but that is expensive
what I would do is to overlay the wires from the sensor to the module
Posted on Oct 10, 2010
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Posted on Jan 02, 2017
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