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ESC Problem - Light on

Stolar13

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Hello I have problem with ESC - light is on. ESC doesn't work.
I check the bugs and I have in ABS module code C220B-00 - ABS ACC not calibrated.

I have 3,6 Sport S 2 dr Wrangler 2019 with axle from Rubicon, lift 2", 35" Duratrac

What is the reason of this bug? What is solution for that ?
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Stolar13

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Hello I have problem with ESC - light is on. ESC doesn't work.
I check the bugs and I have in ABS module code C220B-00 - ABS ACC not calibrated.

I have 3,6 Sport S 2 dr Wrangler 2019 with axle from Rubicon, lift 2", 35" Duratrac

What is the reason of this bug? What is solution for that ?
Anybody help, I still have the problem
 

Rudolph Hart

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I think itā€™s probably a trip to the dealers. Iā€™m on my third episode with this problem. The first time they replaced the auxiliary battery, this fixed it for a few months. Second time they replaced the vacuum pump after 3 weeks of attempting other fixes. Iā€™m not taking it in again until the next service is due so Iā€™ll live with it for now.

There are threads about these issues containing different solutions. My take is the ESS fault is usually a symptom of a related issue. Often the ESC light will be on as well.
 
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Stolar13

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I think itā€™s probably a trip to the dealers. Iā€™m on my third episode with this problem. The first time they replaced the auxiliary battery, this fixed it for a few months. Second time they replaced the vacuum pump after 3 weeks of attempting other fixes. Iā€™m not taking it in again until the next service is due so Iā€™ll live with it for now.

There are threads about these issues containing different solutions. My take is the ESS fault is usually a symptom of a related issue. Often the ESC light will be on as well.
Somebody know what size is AUX battery if I want to buy some aftermarket battery.
The parameters are: 12V 12Ah, but what sizes and what side is minus?
 

Rhinebeck01

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Somebody know what size is AUX battery if I want to buy some aftermarket battery.
The parameters are: 12V 12Ah, but what sizes and what side is minus?
@Stolar13

Mopar 56029759AB - Aux battery-

Here is a pic I posted months ago of the Aux battery.

Look close and you will see the - and + on top of the battery.


Jeep Wrangler JL ESC Problem - Light on ESS battery pic -1
 
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Stolar13

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Ok thanks I find it after my post, I still need to know what phisical dimensions is.
 

Rhinebeck01

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Stolar13

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Rhinebeck01

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Are you sure it is so big like group 59? It is a little smaller than main battery (I check in my car is about 280x180x170)?
Jeep Wrangler JL ESC Problem - Light on 1597147394234
@Stolar13

All I know for sure is the the Aux battery is Group 59 (see the 59 in the pic I posted)

The chart shows the dimensions for Group 59. I have only that to go by. Perhaps some one here that has actually measured the Aux, can tell you.
 

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Stolar13

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@Stolar13

All I know for sure is the the Aux battery is Group 59 (see the 59 in the pic I posted)

The chart shows the dimensions for Group 59. I have only that to go by. Perhaps some one here that has actually measured the Aux, can tell you.
Ok, thanks once again I think that I first remove the battery and then go to shop to buy
 

Rhinebeck01

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Rubycon50

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The batteries are quirky in the JL when they start going bad and will throw weird errors. Another option to possibly consider is the wiring for the wheel speed sensors. They go bad sometimes:
Jeep Wrangler JL ESC Problem - Light on 1597172163178
 
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Stolar13

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I check the wiring of speed sensor, and they have good parameter I check it in Diagnostic tool and work good. I bought new battery and check how it is working
 

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I check the wiring of speed sensor, and they have good parameter I check it in Diagnostic tool and work good. I bought new battery and check how it is working
First time seeing this thread and reading through the posts.

I see a bunch of battery talk, but nothing that addresses your axle swap. You pulled 3.45 geared axles and replaced them with 4.10 Rubi axles? Did you reprogram for the gearing change? The same with the larger tires? Also, was your steering wheel centered after the lift, or is it cock-eyed? The wrong programed gearing and a crooked steering wheel will trip esc.
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