ESP Lamp illuminates momentarily.. - JeepForum.com

 
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post #1 of 12 Old 12-05-2013, 06:40 PM Thread Starter
LongArmXJ4L
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ESP Lamp illuminates momentarily..

My dad has a 2012 JK Rubicon with 3.6L engine. He has had 4 Wheel Parts outfit the vehicle with 5.38 gears in the differentials, they installed Procomp's Hypertech programmer, it has an aftermarket intake, and running 37" Procomp MTs and wheel spacers, Rancho steering stabilizer, Of course a Rubicon Express 4.5" long arm. There has been a few episodes lately where his Jeep likes to flash the ESP lamp (car with skid marks) for a few seconds and the Jeep feels as if all power has been lost and even sways just a little. From what I understand, the Procomp programmer was installed to correct the factory ECU for the change in gears and tires and to provide an accurate speed reading. 4 Wheel Parts 'professionally' installed this component and we have brought this concern to their attention and they have not been able to duplicate the concern. My guess is that the programmer may be causing a malfunction with the speed sensors because when this has happened we were cruising at roughly 75-80mph on straight flat road and there shouldn't be much of a wheel speed difference. I have found a few threads of people having similar problem on their JK but they were on a highway exit ramp which turns. I could understand that because of the speed difference of the inner and outer tires but don't understand our concern since it has happened on straight flat road. Could the programmer be the culprit? Thanks in advance!

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post #2 of 12 Old 12-05-2013, 07:34 PM
ncb
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I'd check and make sure the steering wheel is perfectly centered.
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post #3 of 12 Old 12-05-2013, 07:39 PM
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Yes my 2012 with fabtech 4" long arm with welded disconnects on new 35's. Before I bought my superchip programmer, my esc indicator would light up all the time. Once I went through the programmer and changed the tire size and **tire inflation level**... it stopped. In a jeep you shouldnt be doing 80 but hey... to each there own!!!!
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post #4 of 12 Old 12-05-2013, 07:39 PM
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Allignment does matter alot!!!

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post #5 of 12 Old 12-06-2013, 04:55 PM
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Quote:
Originally Posted by ncb View Post
I'd check and make sure the steering wheel is perfectly centered.
Recently I adjusted the Tie Rod instead of the Drag Link while trying to center my steering wheel. D'oh! My ESP light was on the whole way home until I adjusted it properly with the ProCal. Not sure about Superchips or ProComp, but the AEV ProCal will flash the high beams once you have the steering wheel perfectly centered.

2nd opinion: Your JK has ESP and knows something you don't know?

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post #6 of 12 Old 12-06-2013, 06:15 PM Thread Starter
LongArmXJ4L
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I greatly appreciate the quick replies as the roads ice over it is not a great idea to drive the JK. It is currently at the local dealership possibly getting the head(s) replaced due to continuous cylinder 6 misfire. Once we get it back we will start digging into this concern. If anybody else has another other ideas, please feel free to continue this thread. AEV procal was one of my suggestions and may try that out. Thanks guys
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post #7 of 12 Old 12-06-2013, 07:30 PM
ncb
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You don't have to use the Procal for centering the steering wheel. The Procal works best if the Jeep is on an alignment rack and the wheels are pointed perfectly straight. You can use it with the Jeep sitting on the ground but it's not as precise. I just eyeball it and road test it until the wheel is sitting straight. It's not recommended to use two programmers together.
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post #8 of 12 Old 12-06-2013, 10:03 PM
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The swaying is the ABS kicking in to correct the issue that is being detected. It's kind of fun going turning left in an icy intersection in 2-H and having the JK magically correct itself. The power loss thing can be annoying when in cruise control in a bumpy turn. But I'll take that over sensitivity as the workaround is hit the cruise resume right after.

Back on track, did you check the simple stuff like matching tire pressures? If one is quite a few PSI different than the others it will trigger ESP scenarios more often. This scenario could occur without you knowing if you turned the TPMS system down a lot or off entirely. Just a quick thing to check
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post #9 of 12 Old 12-08-2013, 05:57 PM Thread Starter
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Originally Posted by ancientspear View Post
The swaying is the ABS kicking in to correct the issue that is being detected. It's kind of fun going turning left in an icy intersection in 2-H and having the JK magically correct itself. The power loss thing can be annoying when in cruise control in a bumpy turn. But I'll take that over sensitivity as the workaround is hit the cruise resume right after.

Back on track, did you check the simple stuff like matching tire pressures? If one is quite a few PSI different than the others it will trigger ESP scenarios more often. This scenario could occur without you knowing if you turned the TPMS system down a lot or off entirely. Just a quick thing to check


Thanks for the advice. When we get the JK back from the Jeep dealership tomorrow once they replaced the head(s) I will definitely check the pressure again. This has been happening a little more than normal and I will be able to dig a little deeper once the JK is back in our hands. Thanks guys


Oh, and as far as using two programmers at once. Definitely not planning on using both, but I should be able to completely disable the Hypertech programmer if we were to decide with the Superchip system, right? Thanks for the heads up guys and I appreciate the respectful answers and advice. I have been a member for a few years on different accounts and never ask for advice due to these cyber jerks. Thanks again
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post #10 of 12 Old 12-08-2013, 06:19 PM
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Quote:
Originally Posted by ancientspear View Post
But I'll take that over sensitivity as the workaround is hit the cruise resume right after.
That doesn't work on mine. ESP activation turn off the CC main, so I have to turn it back on and reset it.


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post #11 of 12 Old 12-09-2013, 08:52 AM
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Originally Posted by Wubicon View Post
That doesn't work on mine. ESP activation turn off the CC main, so I have to turn it back on and reset it.
Interesting. Next time I take a turn over railway tracks or a potholed on/off ramp I'll pay closer attention to see if I am like you.
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post #12 of 12 Old 12-09-2013, 04:42 PM
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just replaced my TRACK BAR, DRAG LINK, AND TIE ROD DROVE IT TO TEST IT STEERING WHEEL WAY OFF CENTER THEN THE ESP LIGHT CAME ON WHEN AND GOT THE ALIGNMENT TAKEN CARE OFF ESP LIGHT WENT OFF AND EVERYTHING IS BACK TO NORMAL NOW THAT MY STEERING WHEEL IS STRAIGHT ON... HOPE THIS HELPS

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