ABS light coming on intermediately

Thegreenmachine12

Thegreenmachine12

Member
So, starting in Moab, sometimes when I drive down the road my ABS light will come on, and the downhill assist control light will flash a few times then go away. If I shut the Jeep off, restart it, then drive a bit the downhill assist light will flash a few times then both lights go away completely. If I drive for awhile the same will repeat, the ABS light will come back on and the downhill assist light will flash a couple times then turn off.

The Jeep is a 2012. Im thinking a wheel speed sensor? Thanks in advance. IMG_8322.jpg


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jeeeep

jeeeep

Hooked
check the abs wiring from the wheel to the plug behind the fender well cover , may have extended it too far.
 
TexasJC

TexasJC

New member
I had a similar issue on a road trip last summer. Can't remember exactly which sensor it was, but it was something in one of the brake sensors. It was causing it to think the brakes were failing and would throw them on. Then would release about 1/4 mile. Turned out to be a rear brake sensor that failed


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Mountainjk10

Mountainjk10

Caught the Bug
TexasJC said:
I had a similar issue on a road trip last summer. Can't remember exactly which sensor it was, but it was something in one of the brake sensors. It was causing it to think the brakes were failing and would throw them on. Then would release about 1/4 mile. Turned out to be a rear brake sensor that failed


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Click to expand...

I had exactly the same issues and it turned out to be my right rear wheel sensor. The sensor plug was filled with dirt, which caused the failure. OP, you might want to start with the rear sensors.


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Thegreenmachine12

Thegreenmachine12

Member
Okay yall issue is fixed. Found that the front passenger side sensor was actually making contact with the tone ring. It's all fixed now!
 
M

medler1

New member
Mine too. Looked like iron filings rather than dirt.

Mountainjk10 said:
I had exactly the same issues and it turned out to be my right rear wheel sensor. The sensor plug was filled with dirt, which caused the failure. OP, you might want to start with the rear sensors.


As per the title, no dirt only iron filings surrounding the magnetic sensor tip.
Anyone know the source of these iron filings?
Is something wearing badly?
This JKU has only 13k miles, road use only, and my previous one had no issues up to and beyond 100k.
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