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Old 08-24-2011, 10:55 AM   #1
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2012 / AEV ProCal Module

I have a 2012 JKU Sahara. Getting ready for new tires and wheels, so bought an AEV ProCal. I could not get the Day Time Running Light function to work. So, I called AEV. He stated that Jeep changed the DTRL programming for 2012 and they have not updated their software yet. He did state that all the other programming remains the same. I was able to verify at least the turn signal tap does turn on and off. He also stated that he would exchange my unit for an updated unit when the reprogramming was done. So, I was a little disappointed to be told that the ProCal would work right now on the 2012's (by Jeep catalog company), but satisfied with AEV's customer service.

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Old 08-29-2011, 09:14 PM   #2
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Any chance you could see if you can turn off the ESC? I've tried in my 2012, but have not been able to do it. It's in the manual the same as it was in the older JK's, the steering wheel/button combo stuff.

I've tried it about 100 times, for real.

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Old 08-29-2011, 09:19 PM   #3
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Quote:
Originally Posted by ThinkMud
Any chance you could see if you can turn off the ESC? I've tried in my 2012, but have not been able to do it. It's in the manual the same as it was in the older JK's, the steering wheel/button combo stuff.

I've tried it about 100 times, for real.
what exactly is that? ESC. I've seen mention but still not sure what that process does away with
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Old 08-29-2011, 09:32 PM   #4
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ESC is the "Electronic Stability Control" system. it basically tries to correct your driving in-case you loose control or are sliding or spinning in the rain etc.. it's a great safety feature, if your jeep is stock, but once you lift it, it can become dangerous to leave on.
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Old 08-29-2011, 09:43 PM   #5
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Old 08-29-2011, 09:45 PM   #6
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Quote:
Originally Posted by ThinkMud View Post
ESC is the "Electronic Stability Control" system. it basically tries to correct your driving in-case you loose control or are sliding or spinning in the rain etc.. it's a great safety feature, if your jeep is stock, but once you lift it, it can become dangerous to leave on.
How exactly does it "become dangerous to leave on?" Many people experience it coming on at the wrong times after a lift because they fail to re-center their steering wheel
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Old 08-29-2011, 09:46 PM   #7
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Quote:
Originally Posted by ThinkMud View Post
ESC is the "Electronic Stability Control" system. it basically tries to correct your driving in-case you loose control or are sliding or spinning in the rain etc.. it's a great safety feature, if your jeep is stock, but once you lift it, it can become dangerous to leave on.
Wondered about that myself. Thanks for the answer.
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Old 08-29-2011, 09:50 PM   #8
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Doesn't apply the breaks or "kick in" at the wrong time?
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Old 08-29-2011, 10:09 PM   #9
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Quote:
Originally Posted by Escapade View Post
I have a 2012 JKU Sahara. Getting ready for new tires and wheels, so bought an AEV ProCal. I could not get the Day Time Running Light function to work. So, I called AEV. He stated that Jeep changed the DTRL programming for 2012 and they have not updated their software yet. He did state that all the other programming remains the same. I was able to verify at least the turn signal tap does turn on and off. He also stated that he would exchange my unit for an updated unit when the reprogramming was done. So, I was a little disappointed to be told that the ProCal would work right now on the 2012's (by Jeep catalog company), but satisfied with AEV's customer service.
I have the ProCal and the DTRL function works fine on my 2012 Rubicon. You have to be in gear for the lights to work if that helps. I thought that it wasn't working the first time I tried it, then I put it in gear and bingo!
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Old 08-29-2011, 10:21 PM   #10
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How exactly does it "become dangerous to leave on?" Many people experience it coming on at the wrong times after a lift because they fail to re-center their steering wheel
If anyone has been around the JK seen long enough, they know first hand what happens when you are doing 70 and the jeep thinks you are only doing 60'ish (wheels larger, no programmer). and then you hit a sharp turn and hit the breaks... the ESP/ESC kits in b/c it thinks you are out of control and takes over the breaks, so you end up in the on-coming traffic lane... been there a few times and it's scary as hell.

Jeep had so many lifted jeeps getting into accidents that they had to place the manual over ride option (steering wheel/ button combo thing) on the JK's it was actually a recall to get the CPU flashed allow you to disable it, b/c they were getting sued.

Anything else you would like to know about the topics you are following me around on tonight?

EDIT: yes having a perfectly aligned steering wheel will keep it from coming on as much, but it can still come on. and to truly get the steering wheel 100% centered, you need a programmer or have the dealership do it.

Also even with a perfectly aligned steering wheel, you can bend your tie rod on the trail, have your tow way off and your jeep will pull to the sides, and cause it to come on that way, ask me how I know
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Old 08-29-2011, 10:23 PM   #11
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Quote:
Originally Posted by Nellipj View Post
I have the ProCal and the DTRL function works fine on my 2012 Rubicon. You have to be in gear for the lights to work if that helps. I thought that it wasn't working the first time I tried it, then I put it in gear and bingo!
so does the ProCal work to change tire sizes on the 2012s now? I wanted to order one but wasn't sure if it would work yet.
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Old 08-29-2011, 10:24 PM   #12
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Quote:
Originally Posted by kjeeper10
Doesn't apply the breaks or "kick in" at the wrong time?
Quote:
Originally Posted by ThinkMud

If anyone has been around the JK seen long enough, they know first hand what happens when you are doing 70 and the jeep thinks you are only doing 60'ish (wheels larger, no programmer). and then you hit a sharp turn and hit the breaks... the ESP/ESC kits in b/c it thinks you are out of control and takes over the breaks, so you end up in the on-coming traffic lane... been there a few times and it's scary as hell.

Jeep had so many lifted jeeps getting into accidents that they had to place the manual over ride option (steering wheel/ button combo thing) on the JK's it was actually a recall to get the CPU flashed allow you to disable it, b/c they were getting sued.

Anything else you would like to know about the topics you are following me around on tonight?
I was close
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Old 08-29-2011, 10:32 PM   #13
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I was close
You were right, i was just trying to give more depth input on it.


It can be very dangerous to drive a lifted/modded JK with the ESC on (ESP in older JKs). Look around the JK specific boards and you will see quite a few crashes, caused by it kicking on.
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Old 08-29-2011, 10:34 PM   #14
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Quote:
Originally Posted by ThinkMud

You were right, i was just trying to give more depth input on it.

It can be very dangerous to drive a lifted/modded JK with the ESC on (ESP in older JKs). Look around the JK specific boards and you will see quite a few crashes, caused by it kicking on.
good to know come time.
So this can be avoided using a programmer/procal or the override mentioned?
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Old 08-29-2011, 10:35 PM   #15
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Quote:
Originally Posted by ThinkMud View Post
If anyone has been around the JK seen long enough, they know first hand what happens when you are doing 70 and the jeep thinks you are only doing 60'ish (wheels larger, no programmer). and then you hit a sharp turn and hit the breaks... the ESP/ESC kits in b/c it thinks you are out of control and takes over the breaks, so you end up in the on-coming traffic lane... been there a few times and it's scary as hell.
It is still a matter of proper alignment and properly centering the steering wheel, not the size of the wheel. If the wheel isn't centered the Jeep thinks you are sliding. It thinks you have the wheel point one way and the Jeep is going another.

Quote:
Originally Posted by ThinkMud View Post
Jeep had so many lifted jeeps getting into accidents that they had to place the manual over ride option (steering wheel/ button combo thing) on the JK's it was actually a recall to get the CPU flashed allow you to disable it, b/c they were getting sued.
Really? References on these law suits? How about a link to the recall notice?

Quote:
Originally Posted by ThinkMud View Post
Anything else you would like to know about the topics you are following me around on tonight?

EDIT: yes having a perfectly aligned steering wheel will keep it from coming on as much, but it can still come on. and to truly get the steering wheel 100% centered, you need a programmer or have the dealership do it.
Absolutely not true. Centering the steering wheel is a manual adjustment.

Project-JK.com - Jeep JK Wrangler Resource » Basic Do-it-Yourself Jeep JK Wrangler Front End Alignment

Quote:
Originally Posted by ThinkMud View Post
Also even with a perfectly aligned steering wheel, you can bend your tie rod on the trail, have your tow way off and your jeep will pull to the sides, and cause it to come on that way, ask me how I know
That's a maintenance issue and should always be addressed.
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Old 08-29-2011, 10:36 PM   #16
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good to know come time.
So this can be avoided using a programmer/procal or the override mentioned?
None of the programmers can turn it off, they only adjust the wheel size, gears, and help align the steering wheel. so they will help it not kick on as much, but the only way to disable it, is with the steering wheel/button combo.
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Old 08-29-2011, 10:40 PM   #17
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Quote:
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None of the programmers can turn it off, they only adjust the wheel size, gears, and help align the steering wheel. so they will help it not kick on as much, but the only way to disable it, is with the steering wheel/button combo.
Centering the steering wheel is strictly a manual adjustment.
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Old 08-29-2011, 10:46 PM   #18
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Will the wheel have to be re centered with bigger tires or just when a lift is installed?
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Old 08-29-2011, 10:48 PM   #19
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It is still a matter of proper alignment and properly centering the steering wheel, not the size of the wheel. If the wheel isn't centered the Jeep thinks you are sliding. It thinks you have the wheel point one way and the Jeep is going another.



Really? References on these law suits? How about a link to the recall notice?



Absolutely not true. Centering the steering wheel is a manual adjustment.

Project-JK.com - Jeep JK Wrangler Resource » Basic Do-it-Yourself Jeep JK Wrangler Front End Alignment



That's a maintenance issue and should always be addressed.
My bad, ESP disable was a TSB, not recall. Project-JK.com - Jeep JK Wrangler Resource » TSB - Electronic Stability Control Disable Feature For Modified 4WD Vehicles

The JK is picky beast, and manually aligning the center wheel is not 100% accurate, it can get you very close, but not 100%.

and for the maintenance issues, they sure are, but if you are 2 states away on a wheeling trip and have to drive home and just don't feel like fixing stuff (or can't) then you have to do what you have to do, obviously you never have had trail damage and had to drive home??
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Old 08-29-2011, 10:50 PM   #20
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Will the wheel have to be re centered with bigger tires or just when a lift is installed?
no, only after you lift it.
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Old 08-29-2011, 10:51 PM   #21
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Will the wheel have to be re centered with bigger tires or just when a lift is installed?
Just with a lift. 2" and under is usually not an issue.
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Old 08-29-2011, 10:53 PM   #22
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Quote:
Originally Posted by ThinkMud

My bad, ESP disable was a TSB, not recall. Project-JK.com - Jeep JK Wrangler Resource » TSB - Electronic Stability Control Disable Feature For Modified 4WD Vehicles

The JK is picky beast, and manually aligning the center wheel is not 100% accurate, it can get you very close, but not 100%.

and for the maintenance issues, they sure are, but if you are 2 states away on a wheeling trip and have to drive home and just don't feel like fixing stuff (or can't) then you have to do what you have to do, obviously you never have had trail damage and had to drive home??
Huh- interesting.
Wonder if I should bring this up when my 07 is going in for warranty work on Thursday. Prob nothing for them to flash the ECU right? Then its done, and I won't have any worries come time to mod
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Old 08-29-2011, 10:53 PM   #23
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i have a 2011 wrangler. whats different about the 2012?
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Old 08-29-2011, 10:56 PM   #24
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i have a 2011 wrangler. whats different about the 2012?
Not much, just the engine and automatic transmission.
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Old 08-29-2011, 10:57 PM   #25
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i have a 2011 wrangler. whats different about the 2012?
Topic wise?
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Old 08-29-2011, 11:03 PM   #26
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Not much, just the engine and automatic transmission.
and it can fly.
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Old 08-29-2011, 11:03 PM   #27
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AEV only added the wheel centering option of the ProCal module bc the computer needs to electronically read the wheel as centered to be truly centered (as far as ESP/ESC goes)
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Old 08-29-2011, 11:04 PM   #28
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and it can fly.


sorry- thats funny
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Old 08-29-2011, 11:07 PM   #29
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Ehh- I will worry about all this s*** come time.
Overwhelming myself
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Old 08-29-2011, 11:23 PM   #30
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So are you saying that once a 2012 jeep is lifted 3.5" I cannot use the ESC?
Ever??

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