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Old 09-28-2013, 04:46 AM   #1
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Traction Control Acting up - Random Braking

I have a 2011 Wrangler Sahara Unlimited. I had issues where the traction control light started flashing and my Jeep started randomly "braking" and pulling hard to one side. I took it to the dealership and they looked at it the next morning. They could not get it to repeat the incident and there were no codes to tell them what was going on. Ever since that day, it feels like I have to force it to move. There always seems to be some sort of "drag". For example, Driving along at 80kmh (50mph) I take my foot of the gas and let it coast. However, it decelerates from 80 to 40 in about 500m. It felt like I was braking. As well, my fuel mileage took a big dive. It dropped by half.

Just wondering if anyone else has experienced something similar and what you found was the problem.

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Old 09-28-2013, 05:07 AM   #2
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I have a 2013 Sport S and have experienced this twice now. Didn't pull to one side or the other - but light came on and it did engage briefly. I haven't taken it to the dealer yet but if it happens again I will. Seems fine though after it - no drag feeling.

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Old 09-28-2013, 05:49 AM   #3
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check if your steering wheel centered.. you can easily center it back- this could happen if you made a change to the suspension
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Old 09-28-2013, 05:53 AM   #4
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Quote:
Originally Posted by iNizo View Post
check if your steering wheel centered.. you can easily center it back- this could happen if you made a change to the suspension
X2 ^ Check the steering wheel for center. If it's off center, all kinds of evilness will happen with traction control/ABS.
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Old 09-28-2013, 06:07 AM   #5
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I just had an issue fixed with the traction control. Turned out to be the wheel bearing hub was worn and aloud the pick up sensor for the ABS to wobble a bit. This told the stupid computer that the wheel was turning at a different rate to the other wheels, which it did not like. I had the same issues, loss of power and strange braking. Can't help you with which wheel would be playing up, but ask them to look at the wheel speed sensors and the hubs. may be the same issue.
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Old 10-11-2013, 03:48 AM   #6
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Thanks. This may be useful.
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Old 10-11-2013, 06:17 AM   #7
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Cheack if one of the brakes gets hot. This might help to locate.
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Old 10-11-2013, 08:09 AM   #8
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Similar issue back in July. hit a bump or RR Crossing at 50mph or better. Traction control light and braking, sluggish operation. Stop, turn off the key, light would go away and drove normally.
Took it to the dealer, they said there was nothing in the PTM history that ESC had been activated. They did reset the module engine performance was better than ever until the next day when it happened again.

Drove straight to the dealer with the light still on, did not shut it off. Got the Svc. Manager to come out witness the ESC light. He took it straight back to a bay. They replaced the wheel sensors, that wasn't it. Then the PCM (power train control module). Finally after a week they installed another PCM and the Powertrain wiring harness. Problem was a shorted or broken wire in the harness..

Oddly, when I first took it in I told the SVC Writer it was acting like it had a shorted wire when I hit bumps and the ESC would come on.
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Old 11-19-2013, 10:59 AM   #9
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I've the same issue. Stealership called and said they thought it was a wheel speed sensor. They're asking about the lift now and stating that it isn't under warranty because of the lift. Do you guys have a lift on yours and was yours covered under warranty? I fail to realize how the lift is causing the issue. If this were the case, then I think there would be a huge fallout of Jeep owners having the same issue.

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