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Old 06-05-2013, 06:09 PM   #181
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Originally Posted by legitposter View Post
A/C's turn off and on by design in most vehicles based on the temperature of the air being output. The difference is most vehicles have a "Max A/C" setting available which will turn the AC on non stop.
The compressor for the AC still cycles on/off in "MAX" setting, as it does in all other settings. If it didnt, it would over presurize the lines. "MAX" is simply AC with the Recirc turned on. manufactures are eliminating the "MAX", because its redundant.

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Old 06-05-2013, 09:11 PM   #182
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Exact same for me. If I don't hit the recirc switch it will stay in recirc mode as long as the AC is on. But only happens with the AC. If I start my Jeep with AC off, same scenario except recirc will go to outside air position on its own.

Freakin crazy, huh? My service guy is REAL nice and helpful. Maybe I'll print this thread out and drop my rig off to him and see what he says.

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Old 06-09-2013, 11:21 AM   #183
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My 2013 with auto climate control shuts down sometimes just like you all describe it. Left the parking lot at grocery store and drove one mile and it shut down for a few seconds. It was 95 degrees out side. Auto on, temp set at 70 degrees and still very warm inside.
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Old 06-09-2013, 07:52 PM   #184
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My 2013 JKU Sahara did it since I bought it. Dealer knows nothing of this issue supposedly.
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Old 06-09-2013, 09:10 PM   #185
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I have this problem. I have noticed it 3 times in the year that I have owned my Jeep.
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Old 06-27-2013, 09:41 PM   #186
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Originally Posted by legitposter View Post
A/C's turn off and on by design in most vehicles based on the temperature of the air being output. The difference is most vehicles have a "Max A/C" setting available which will turn the AC on non stop. I think Jeep removed it because no one really used this. I know I've seen it previously in a 2003 Liberty.

So anyways, your A/C's aren't broke. They're working normally.
LOL...If the AC turning off when it's 103 degrees outside and 97 inside is working normally then Jeep must be the only vehicle on the planet with an AC that works normally. FYI here in Tx where it's 100 degrees for 3 months my vehicle stays on max AC the whole time it's running.



Now, for those of us trying to figure out the problem, I did notice that when this happens all you have to do is change the fan setting from where you had it to one notch above or below and the fan "wakes back up". I've caught it literally a split second after it's happened and the fan instantly wakes back up.
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Old 06-27-2013, 09:48 PM   #187
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Evaps have a temp sensor which will kill the compressor to keep the evaporator from icing over. This isn't a issue with compressor cutout, its an issue with the fan cutting out. And yes it is a problem and no they aren't working fine haha.
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Old 06-27-2013, 10:20 PM   #188
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Quote:
Originally Posted by legitposter View Post
A/C's turn off and on by design in most vehicles based on the temperature of the air being output. The difference is most vehicles have a "Max A/C" setting available which will turn the AC on non stop. I think Jeep removed it because no one really used this. I know I've seen it previously in a 2003 Liberty.

So anyways, your A/C's aren't broke. They're working normally.
You are high as a kite.
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Old 06-27-2013, 11:07 PM   #189
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You are high as a kite.
I only know of residential a/c turning on/off automatically according to the temperature desired and temperature in the residency.
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Old 06-28-2013, 12:29 AM   #190
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I only know of residential a/c turning on/off automatically according to the temperature desired and temperature in the residency.
Known as climate control like some automobiles have. We don't have that and it's not normal.
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Old 06-28-2013, 11:42 PM   #191
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Known as climate control like some automobiles have. We don't have that and it's not normal.
I've never known of automobiles having climate control, but I agree that what's happening to our Jeep's a/c is not normal.
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Old 06-28-2013, 11:55 PM   #192
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I've never known of automobiles having climate control, but I agree that what's happening to our Jeep's a/c is not normal.
My Infiniti G35 has it. Dual climate control as a matter of fact, for driver and passenger.
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Old 06-28-2013, 11:59 PM   #193
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That's auto climate control. Optional on JK. My benz has it and automatically adjust temp. My JK has regular old HVAC and the fan cuts out. Separate issue.
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Old 06-29-2013, 12:01 AM   #194
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My 13 sport has done it a few times, maybe 3 or 4. I noticed that when it has done it it's always been within maybe the first minute of driving. Maybe just a coincidence. At least it has only stopped for a second or two and then always come back on.
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Old 06-29-2013, 12:01 AM   #195
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That's auto climate control. Optional on JK. My benz has it and automatically adjust temp. My JK has regular old HVAC and the fan cuts out. Separate issue.
I know that.
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Old 06-29-2013, 12:09 AM   #196
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Excuse me bc I don't have a fancy car...lol
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Old 06-29-2013, 12:11 AM   #197
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Excuse me bc I don't have a fancy car...lol JKs are the opposite of fancy
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Old 06-29-2013, 01:17 AM   #198
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Excuse me bc I don't have a fancy car...lol JKs are the opposite of fancy
You can get one with nav, leather with heated seats, keyless entry, power windows....... and auto climate......... you were saying?
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Old 06-29-2013, 02:20 AM   #199
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That's auto climate control. Optional on JK. My benz has it and automatically adjust temp. My JK has regular old HVAC and the fan cuts out. Separate issue.
I have a theory going, but haven't had the time to look close. I think a few others have mentioned it too.

When making parts, a company wants to be able to use them easily through different options or models. If you look at the other Dodge vehicles and Chrysler vehicles using this design for the HVAC, you will notice other Forums have the same discussion going about this issue.

There is an option in the JK (and others) for automatic climate. The motherboard in the HVAC control is also the same, just different soldering patterns - at least from what I have seen so far. I need to get my hands on one the be sure.

If the board is throwing a fault, and confusing the simple, standard control option for the automatic climate control, or even just having a miss in it somewhere - we could have this issue.

I tested a few Jeeps that are new, at the dealer. They are doing the same thing with less than 10 miles on them. After seeing this, I am even more reluctant to leave my Jeep at the dealer for a half day of 'testing', because there is obviously a production issue at hand and not a wear and tear or time used issue.

Also, if anyone wants to take a look at something related - take off your glove compartment door (easy, just push the sides in when open and pull it out). Have your Jeep off, the slide door behind the cage at the back should be half open. When you turn your engine on, and the A/C is on in recirculate mode, the door will open all the way to pull in the cabin air.

When you turn off recirculate mode, the door should close all the way, to pull in outside air.

Mine does this, for a minute. Then it opens an inch, then another 2 inches in a minute, then again, until it's all the way open like it's in recirculate mode - but it's not.

Once open, if you push recirculate to turn it on, and then push it again to turn it off, the door will close again - for awhile.

I tested this on new Jeeps in the lot as well - they also did it. Something isn't right with the unit and needs fixing - it's just a matter of time before they will have to recall this part. I think they are stalling, it's not a vital part, and I bet not enough people have really complained yet because they don't know (at least the last part). The company may not have a solution either at this point.

There is also a Youtube video of someone showing this issue.
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Old 06-29-2013, 11:28 AM   #200
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You can get one with nav, leather with heated seats, keyless entry, power windows....... and auto climate......... you were saying?
I just think those are more opportunities for a car to mess up.
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Old 06-29-2013, 11:39 AM   #201
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I just think those are more opportunities for a car to mess up.
Exactly. Thats how I make my living...... counting on Bavarias finest to fall apart and they do! Reason my Jeep is bare bones. Manual trans, I didn't want leather or power windows. Got cloth but the closest manual with 3.73 and LSD 2dr hardtop without power and cruise was #400 miles away. So I got power windows..... meh I know how to change a regulator.
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Old 06-29-2013, 01:14 PM   #202
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Exactly. Thats how I make my living...... counting on Bavarias finest to fall apart and they do! Reason my Jeep is bare bones. Manual trans, I didn't want leather or power windows. Got cloth but the closest manual with 3.73 and LSD 2dr hardtop without power and cruise was #400 miles away. So I got power windows..... meh I know how to change a regulator.
I got mine without power windows bc I had issues with that on my previous vehicle. Got cloth instead of leather, again that was on my previous car and it sucked and who needs a navigation system in the car when you have one in your phone anyway...Manual is the way to go, I almost went without a/c but the wife wouldn't be able to bare 105 degrees in the summer...lol
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Old 06-29-2013, 01:31 PM   #203
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Same thing with mine, I too have a 2012 and it will 100% stop for a few seconds and then turn back on like it never happened. It happened to me 3 times, my Jeep has 1500 miles on it. Twice it stopped while I was stopped at a stop sign, the third time, i was on the highway.
Haven't read entire thread yet, but my '12 JKUR has done that 4-5 times since I got it in December. It seems to be the fan that just stops for a few seconds, then comes back on. Noticed it first running the heater.
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Old 06-29-2013, 07:03 PM   #204
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Mine AC cuts off also for that same 3to4 seconds. Its happened 3 or 4 times since I bought the Jeep in January. I always run in auto mode and only adjust the temp knob.
Have not mentioned to the dealer as of yet. I will the next time I'm there.
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Old 06-30-2013, 12:01 AM   #205
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Same thing as Ronnie, just started happening. Non-auto hvac.
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Old 06-30-2013, 12:23 AM   #206
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Post 204 and 205 - Well, that makes it an issue for both the auto temps and the manual temp HVAC units then.

I have noticed it does it less if I leave the A/C on all the time. I used to turn the A/C off when I parked, and then turn off the Jeep. When starting up, I would turn the Jeep on, let the fan start, and then push the A/C button. Now, I leave it on all the time and it hasn't had an issue in weeks, aside from the A/C clutch kicking hard twice when I started the Jeep - bothersome, but not worries yet.
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Old 07-02-2013, 12:31 PM   #207
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Oh great. I get to join this thread now. Left work at lunch and AC was fine. I have auto climate and all that. Anyway, stopped at a stop sign and it cut off for about 2 seconds, then came back on. Then the front power windows would not work. The back windows worked fine. Turned off the ignition, turned back on and everything worked again. Please don't tell me this is like a windows pc. Oh it isn't working. Just reboot. Anyway, I will just keep an eye on things. This was the first time it happened.
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Old 07-02-2013, 12:34 PM   #208
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Oh great. I get to join this thread now. Left work at lunch and AC was fine. I have auto climate and all that. Anyway, stopped at a stop sign and it cut off for about 2 seconds, then came back on. Then the front power windows would not work. The back windows worked fine. Turned off the ignition, turned back on and everything worked again. Please don't tell me this is like a windows pc. Oh it isn't working. Just reboot. Anyway, I will just keep an eye on things. This was the first time it happened.
Funny that you mentioned the windows. I completely forgot, but twice both of my front windows didn't work either, but I don't think I had the A/C on at the time. Took a couple of times of restarting the engine to get them to work again.
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Old 07-08-2013, 01:29 PM   #209
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The window issue just happened to me too.
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Old 07-28-2013, 10:53 PM   #210
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I have noticed this several times on my Jeep. Manual Contol A/C and I always run fresh air, A/C on and blowing only vent and sometimes I turn knob one click so I get a tiny bit of floor mixed with vent.

I'm looking for a new dealer since my dealer seems to think the hiccup in 2 nd gear on auto tranny is normal for a Jeep. Even with taking tech for a ride to reproduce.

Btw, any update from person who got blower resistor replaced?

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