Why are these warning lights on (pic) - JeepForum.com
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post #1 of 19 Old 10-24-2016, 05:07 PM Thread Starter
Crixus
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Why are these warning lights on (pic)



They came on randomly about a month or two ago. I paid it no mind since all my brake lights work as do the brakes etc. I've since had new tires put on, new ball joints and bushings, a full state inspection, and nobody has said anything about the warning lights. Did something just get jarred loose in the wiring?

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post #2 of 19 Old 10-24-2016, 06:13 PM
Montreal300
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Your ABS system is not functioning so stability control (squiggly) gets turned off as well. You need to have a dealer check the ABS trouble codes to pinpoint the problem. It could be as simple as a loose connection, a speed sensor failing, all the way up to the ABS pump and valves failing. Without the codes, no one really knows.
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post #3 of 19 Old 10-24-2016, 06:32 PM
TurboDiesel
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wheel speed sensor

2008 CRD // GDE Eco // DPF delete // 3" intercooler // OME HD // 265 dirtytracs etc.
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post #4 of 19 Old 10-24-2016, 06:52 PM
CavallinoRed
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Originally Posted by TurboDiesel View Post
wheel speed sensor
Be my first guess as well. Brakes would still work but anti-lock system...not so much.

Could be just a loose connection but you need to have someone pull the error code to track it down.
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post #5 of 19 Old 10-24-2016, 07:54 PM Thread Starter
Crixus
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Alright thanks as always fellas. Gonna get those codes, don't want it to be something serious.
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post #6 of 19 Old 10-25-2016, 04:43 PM Thread Starter
Crixus
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Thought of something I wanted to ask. You say the traction control system is not working. Does that mean I'll be slipping and sliding all over the road in winter weather? We are expecting our first snowfall soon.
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post #7 of 19 Old 10-25-2016, 06:45 PM
colinzj
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Does that mean I'll be slipping and sliding all over the road in winter weather?
Only if you've forgotten how to drive without a computerized overlord correcting for your mistakes.

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post #8 of 19 Old 10-25-2016, 06:53 PM
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Welcome to my world.... https://www.jeepforum.com/forum/f67/h...nings-3875049/
Mine also has the ESP/BAS light on and the parking brake light. You don't have to get the dealer to pull codes. I ordered a Bluedriver and it works great. It will actually clear the codes as well. My local dealer said they would read the codes for $125, no repairs included and they won't clear them. Bluedriver cost $99 on Amazon.

I just ordered 4 new mopar wheel speed sensors and am going to try swapping all of them this weekend. I think I'm in worse shape than you though, I really do believe my ABS Module is the problem....

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post #9 of 19 Old 10-25-2016, 07:55 PM
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be careful with the front sensors they are in the hubs and known to snap...ask me how i know haha

i like you can drill them out or something to put the new sensors in...i just replaced the whole hub

2008 CRD // GDE Eco // DPF delete // 3" intercooler // OME HD // 265 dirtytracs etc.
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post #10 of 19 Old 10-26-2016, 01:06 PM Thread Starter
Crixus
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Originally Posted by colinzj View Post

Only if you've forgotten how to drive without a computerized overlord correcting for your mistakes.
I guess I didn't notice it being activated last year driving through snowstorms. I have meaty AT tires and working 4X4 I'll be fine. Don't think tcs is that big a deal is it?
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post #11 of 19 Old 10-26-2016, 11:56 PM
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Originally Posted by Crixus
I guess I didn't notice it being activated last year driving through snowstorms. I have meaty AT tires and working 4X4 I'll be fine. Don't think tcs is that big a deal is it?
Some auto parts store can read codes for free. I know o o o, o'reillys does.
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post #12 of 19 Old 10-27-2016, 08:29 AM
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Thought of something I wanted to ask. You say the traction control system is not working. Does that mean I'll be slipping and sliding all over the road in winter weather? We are expecting our first snowfall soon.
If it is the abs sensor(s), a couple things will happen.

1. the abs braking system will not engage, meaning that one tire may lock up sending you into a spin on a wet/slick highway.

2. the traction controls system will not work, meaning that power will not be distributed to the wheel that is not spinning - translation: you may get stuck in the snow.
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post #13 of 19 Old 10-28-2016, 12:12 PM Thread Starter
Crixus
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~Update~
Went to pep boys and a greasy oil stained mechanic plopped down onto my clean seats, farted, then plugged a code puller into the slot. He saw the abs and tcs lights and said I would need a full diagnostic to find out the problem as the code puller was more for check engine light stuff.

I politely asked him to get out of my car asap and went on my way.
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post #14 of 19 Old 10-28-2016, 12:19 PM
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Originally Posted by Crixus View Post
~Update~
Went to pep boys and a greasy oil stained mechanic plopped down onto my clean seats, farted, then plugged a code puller into the slot. He saw the abs and tcs lights and said I would need a full diagnostic to find out the problem as the code puller was more for check engine light stuff.

I politely asked him to get out of my car asap and went on my way.
Yup, that's your typical "auto parts store" experience for ya... haha... sorry, I hate ABS, that's why I pulled it out of my '89 XJ and now just have a regular braking system, much better
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post #15 of 19 Old 10-28-2016, 01:08 PM
Montreal300
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Most of these parts guys have a basic OBD2 code reader. Next time ask if they have a reader for ABS braking system codes.
Stability control (squiggly) is not terribly important but it's nice to have in really crappy weather. ABS on the other hand is a life saver that allows you to steer through a problem while being close to lockup. It's saved my butt a few times.
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