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Old 03-25-2012, 07:35 PM   #1
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2012/2011 JK/JKU owners with Auto Temp Control. Please Respond.

Hello all, I own a 2012 JKU Rubicon Auto with all the goodies, I have been In contact with Chrysler about the two issues to follow in this thread. Could any of you add to this or tell me if your Jeep performs the same way? Here are the Videos

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Old 03-25-2012, 08:41 PM   #2
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With auto temp control, this is normal. The vehicle will automatically switch to AC when it starts. It sucks, but this is just the way it is... Read your handbook, it will explain it thoroughly.

However, had you started the vehicle with auto fan and auto air flow, you wouldn't have seen the ac light come on. It would automatically switch to whatever temp setting you had instructed via the center dial.

I had the same question, but I just found it was an easier solution to simply just tap the ac button.

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Old 03-25-2012, 08:46 PM   #3
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I read the manual several times. You say its normal behavior for it to work like that? Why does it come on? FYI my jeep has been tested three times by the dealer as per Star team, they claim it is not normal behavior. Could you let me know the pages you found the breakdown on functionality?
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Old 03-25-2012, 09:01 PM   #4
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I never noticed that on mine.
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Old 03-25-2012, 09:07 PM   #5
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I never noticed that on mine.
Does yours behave this way?
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Old 03-25-2012, 09:09 PM   #6
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I'll check next time I'm in mine, usually leave it on auto/auto/auto, and the AC light doesn't light up when it's fully automatic
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Old 03-25-2012, 09:20 PM   #7
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Mine is the same way.....never noticed till you posted the vids.....oh well, "it's a jeep thing" i guess. *2011 Wrangler Sahara model.
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Old 03-25-2012, 09:47 PM   #8
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Now I'm curious. I'll be sure to test it next time.
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Old 03-25-2012, 09:59 PM   #9
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mine just sometimes turns on by itself full blast.. have to turn the knob from auto to low fan to auto to turn it off..
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Old 03-26-2012, 09:38 AM   #10
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MIne does the exact same thing which I agree seems odd. I did ask the dealer why the light does not come on when on Auto and they where clueless.
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Old 03-26-2012, 05:46 PM   #11
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I'm curious to know if every single person with a 2011 or 2012 with auto temp and or remote start behaves this way... I'm gonna stop by another dealer and check one out to see what happens... Maybe they all just do it? And I just picked up on it! But if not all do it.. It's a problem! I'm gonna park mine next to an unsold model and set the systems the same... Then start em up.. See what happens.. Possibly take some videos as well. I'm so tired of dealers not having an answer... Anything and everything is " that's normal" no explanation.. Normal
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Old 03-26-2012, 05:47 PM   #12
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Dealers only know the basics, asking the dealer why something happens or more in depth knowledge is like going to Best Buy and asking those guys for computer advice
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Old 03-26-2012, 06:14 PM   #13
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Lol.. I think it's even worse than that! At least the guys working at Best have a PC! None of the guys at the dealerships ever own a Wrangler it seems.
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Old 03-26-2012, 07:00 PM   #14
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141.. I couldn't agree more. See here is my main concern, I was told 2 times this was normal with the explanation of.. it comes on to cool the box.. And should then turn off once the key is inserted. This is normal operation. However I insert my key after remote start and I can drive for hours.. Never shutting off. So they then said.. UHHHHH ok that is not normal.. I then proceeded to show them the other function of the a/c coming on when switching from auto to manual duct control.. They were baffled.. Saying thats not normal.. I then went through weeks of conversation with Chrysler STAR team.. Who again told me the same thing.. its normal.. and again I explained thats great but my jeep doesn't perform that way.. it never goes off by its self.. I was then escalated to Jeep engineering team that has requested my jeep be tested.. Specifically the cooling head and HVAC controls. I brought it once and watched the tech do the readings for over 45 mins.. Then sent them to the Engineering team. One week later I got a call that they had requested another round of tests.. I brought the jeep down.. And here I am.. Waiting for their response.. Shop foreman says the Engineer he is dealing with seems very interested in the situation and he believes that my Jeep is a Guinea pig.. I just either want it fixed or want an answer.. Ive gotten none.
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Old 03-26-2012, 07:48 PM   #15
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730N & auto air, waste of $$$$ IMHO. Have both. May add a few bucks at resale.
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Old 03-26-2012, 08:17 PM   #16
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Mine does the same thing...There's nothing wrong with it. I have the hard copy of the owners manual and on page 362, it indicates anytime the mode (airflow) is in any position other than Auto, the A/C is user selectable on or off. This is why it illuminates when you move the mode from Auto to a different mode (airflow). If you want it off, you hit the button and turn it off. When you go back to Auto, it controls the A/C compressor automatically but the light will never illuminate. Again, if you move the mode (airflow) from Auto, the A/C light will turn on again. It's the default.

I also have the remote start and if I have my mode (airflow) in any other position than Auto and press the A/C button off then turn my Jeep off then use the remote start, only when I open the door will my A/C light also come on. Once I put the key in you can just hit the button and turn the A/C off. It's not that you can't turn it off, you just have to hit the button to turn it off. It's just a characteristic of the Jeep Auto Climate Control. What is happening is when you cycle the ignition off, then use the remote start then open the door, the Auto Climate Control is receiving a signal that the engine has restarted again and defaults the A/C on. No different than if you turned your Jeep off with the A/C off then restarted it with just the key. The A/C turns back on by default.

It's like the traction control (ESP) button. If you turn the ESP off, turn the Jeep off, then restart it...The ESP turns back on by default.

If Jeep really wanted to prevent the A/C from turning back on when you turned it off , I'm sure it's a simple software update, however I doubt it exists. The system is functioning as designed.

I never use the manual override for the Mode selection, so this really isn't an issue for me. I bought the Auto Climate because I like the function of set it and forget it.
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Old 04-01-2012, 11:20 AM   #17
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Quote:
Originally Posted by Ottermobear View Post
Mine does the same thing...There's nothing wrong with it. I have the hard copy of the owners manual and on page 362, it indicates anytime the mode (airflow) is in any position other than Auto, the A/C is user selectable on or off. This is why it illuminates when you move the mode from Auto to a different mode (airflow). If you want it off, you hit the button and turn it off. When you go back to Auto, it controls the A/C compressor automatically but the light will never illuminate. Again, if you move the mode (airflow) from Auto, the A/C light will turn on again. It's the default.

I also have the remote start and if I have my mode (airflow) in any other position than Auto and press the A/C button off then turn my Jeep off then use the remote start, only when I open the door will my A/C light also come on. Once I put the key in you can just hit the button and turn the A/C off. It's not that you can't turn it off, you just have to hit the button to turn it off. It's just a characteristic of the Jeep Auto Climate Control. What is happening is when you cycle the ignition off, then use the remote start then open the door, the Auto Climate Control is receiving a signal that the engine has restarted again and defaults the A/C on. No different than if you turned your Jeep off with the A/C off then restarted it with just the key. The A/C turns back on by default.

It's like the traction control (ESP) button. If you turn the ESP off, turn the Jeep off, then restart it...The ESP turns back on by default.

If Jeep really wanted to prevent the A/C from turning back on when you turned it off , I'm sure it's a simple software update, however I doubt it exists. The system is functioning as designed.

I never use the manual override for the Mode selection, so this really isn't an issue for me. I bought the Auto Climate because I like the function of set it and forget it.
Thankyou for the detailed explanation on how the system works.. Once again I was told by my dealer that it wasn't a normal operation they told me several different scenarios.. But never what you just said! Makes complete sense! That's all I ever wanted.. An understanding of how the system works and is supposed to work !
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Old 04-01-2012, 03:00 PM   #18
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Originally Posted by Ottermobear View Post
Mine does the same thing...There's nothing wrong with it. I have the hard copy of the owners manual and on page 362, it indicates anytime the mode (airflow) is in any position other than Auto, the A/C is user selectable on or off. This is why it illuminates when you move the mode from Auto to a different mode (airflow). If you want it off, you hit the button and turn it off. When you go back to Auto, it controls the A/C compressor automatically but the light will never illuminate. Again, if you move the mode (airflow) from Auto, the A/C light will turn on again. It's the default.

I also have the remote start and if I have my mode (airflow) in any other position than Auto and press the A/C button off then turn my Jeep off then use the remote start, only when I open the door will my A/C light also come on. Once I put the key in you can just hit the button and turn the A/C off. It's not that you can't turn it off, you just have to hit the button to turn it off. It's just a characteristic of the Jeep Auto Climate Control. What is happening is when you cycle the ignition off, then use the remote start then open the door, the Auto Climate Control is receiving a signal that the engine has restarted again and defaults the A/C on. No different than if you turned your Jeep off with the A/C off then restarted it with just the key. The A/C turns back on by default.

It's like the traction control (ESP) button. If you turn the ESP off, turn the Jeep off, then restart it...The ESP turns back on by default.

If Jeep really wanted to prevent the A/C from turning back on when you turned it off , I'm sure it's a simple software update, however I doubt it exists. The system is functioning as designed.

I never use the manual override for the Mode selection, so this really isn't an issue for me. I bought the Auto Climate because I like the function of set it and forget it.
Good explanation. Makes sense to me!
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Old 02-06-2013, 01:28 PM   #19
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Quote:
Originally Posted by 2012unlimruby17 View Post
Hello all, I own a 2012 JKU Rubicon Auto with all the goodies, I have been In contact with Chrysler about the two issues to follow in this thread. Could any of you add to this or tell me if your Jeep performs the same way? Here are the Videos
A/C removes Moisture during the winter and Summer. It does it to make sure you have clear Windows to start driving safely.

Most don't/didn't know that the def mode weather hot or cold temp set on auto or manual units always turns the A/C compressor on.
Just like your home HVAC, the way we get cold air is by removing the moisture in the air thru the A/C coils etc.
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Old 07-16-2013, 12:27 PM   #20
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Originally Posted by 2012unlimruby17 View Post
141.. I couldn't agree more. See here is my main concern, I was told 2 times this was normal with the explanation of.. it comes on to cool the box.. And should then turn off once the key is inserted. This is normal operation. However I insert my key after remote start and I can drive for hours.. Never shutting off. So they then said.. UHHHHH ok that is not normal.. I then proceeded to show them the other function of the a/c coming on when switching from auto to manual duct control.. They were baffled.. Saying thats not normal.. I then went through weeks of conversation with Chrysler STAR team.. Who again told me the same thing.. its normal.. and again I explained thats great but my jeep doesn't perform that way.. it never goes off by its self.. I was then escalated to Jeep engineering team that has requested my jeep be tested.. Specifically the cooling head and HVAC controls. I brought it once and watched the tech do the readings for over 45 mins.. Then sent them to the Engineering team. One week later I got a call that they had requested another round of tests.. I brought the jeep down.. And here I am.. Waiting for their response.. Shop foreman says the Engineer he is dealing with seems very interested in the situation and he believes that my Jeep is a Guinea pig.. I just either want it fixed or want an answer.. Ive gotten none.
I have the same issue as this poster. Dealer first did software update, then backordered the control that includes the three dials. Will update you after they install it.
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Old 09-20-2013, 09:12 AM   #21
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I have the same issue as this poster. Dealer first did software update, then backordered the control that includes the three dials. Will update you after they install it.
(I posted this in another similar thread) Update: dealer replaced the control panel (hvac dials and control ) and it resolved the issue where the foot vents would not blow untill I first select defrost. It did not resolve the issue where after you start the engine using remote start then press the button labeled "A/C", the compressor remains on. In fact, now the compressor will not turn off even after starting the engine WITHOUT using remote start. Will have to take it back again.
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Old 04-16-2014, 03:13 PM   #22
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I had an '11 Pat with climate control that had this "issue". I found that I would have to spin the output dial to defrost to even be able to turn off the AC (it would just annoying blink @ me, then flash back to on unless I did). Very annoying, especially when it was freezing out.
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Old 04-16-2014, 03:47 PM   #23
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Are you all talking about the A/C compressor turning 'on', in order to dehumidify the air before (re-)heating the air up during the cold winter weather?

Is the system simply assuming you want to clear the glass with dry hot air, when you use the remote to start?
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Old 04-16-2014, 04:11 PM   #24
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I agree that the A/C should come on. It is for clearing the windows. I've been doing this for years in other vehicles. If your windows are really steamed up. Turn on the A/C but also turn the heat up to high. All of your windows will clear much quicker this way.

I also believe that this is a US made ( designed )vehicle situation.

I've had several imports and they have Recirculate on the heater. US cars do not have this. If you have steamed up windows in an import and leave the knob on recirculate, the windows take forever to clear. If you turn that knob to Fresh, it clears almost immediately.

I often see people driving imports down the road all fogged up. Bet they got the knob on Recirculate.

The USA have in right!
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Old 04-28-2014, 08:52 PM   #25
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Update:
1. They replaced.the whole control unit (the hvac dials are part of a unit). That fixed the issue where it would not adjust temp until I turned the temp knob all the way to the end (either all the way cold or all the way hot.) 2. to fix the issue where air would not blow at my feet until I turned the dial all the way to "defrost", they did a software update then recalibrated the doors which open and close to direct air to your face, your.feet, or.defrost. 3. They still did not fix the issue where, after starting the.engine via remote start, there is no way to.turn off the AC compressor. That issue remains.

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