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Old 09-14-2011, 07:35 AM   #1
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2012 JKU AT remote start A/C problem

I have a concern with my recently purchased 2012 JKU. Basically the compressor runs after using the remote start and I do not have the ability to turn it off. I have the manual climate control, not automatic climate control. I've read the owner's manual carefully and it is very clear that I should be able to turn off the A/C system using the button and the LED indicator should glow when the A/C is on, and be doused when A/C is off.

The pertinent information is below:

- When using the remote start, the compressor comes on about 50% of the time, regardless of HVAC settings
- When using the key to start the Jeep, the compressor always follows the settings on the HVAC system and I have complete control
- There is no clear correlation between ambient conditions and the compressor running (I've had the compressor come on at 71 degrees, and not come on at 93 degrees)
- The LED indicator is not lit on the A/C button. Turning the A/C system on, then back off yields no results
- The HVAC system can be in any mode, any fan speed, any temperature, and the compressor remains on
- Once the compressor is on, turning the Jeep off and re-starting with the key will still not give me control of the compressor. I've only tested this by letting the Jeep sit for about 20 minutes, though if it sits for a period of about 4 hours (basically from arrival at work until lunch time), the key start gives me back control.

I've contacted Jeep about this. They tell me this behavior is normal and expected, but refuse to speak to me, instead telling me that my dealer is the best source for information. My dealer is frustrated as they call Jeep and are told what to tell me. The CSR folks at Jeep that answer the phone all agree that the behavior makes no sense,but they are not the authority, and when they refer my case, the same response is always handed down: Contact your dealer as they are the best source for information in this matter. I refuse to accept this as normal behavior and having the compressor run at times when I do not want it running is reducing my power and reducing my fuel economy. Further, it's just plain stupid to not be able to turn off the compressor if I choose to do so. Before anyone tells me the compressor comes on with the defrost, I get that, I'm aware of that, and I take to issue with that. Though far from a diagnosis, this feels very much like a CAN problem or a programming issue to me.

I'm asking that those with a 2012 JKU automatic, with manual climate controls and remote start, please tell me if your Jeep has this same behavior. I'm starting to feel alone in this, and if nobody else complains Jeep may never fix this issue for me. I'm also open to any other advice as to how to get this remedied. I've been fighting for about three weeks and still have no results to show for it. Nobody will put anything in writing around this issue despite my asking for that several times now.

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Current: 2012 JKU Rubi, auto, White, with the fancy new engine and transmission, 3.5 AEV lift, 35 MTRs, some bumpers, some carriers, some electronics, and so on.
Former: 2010 JKU Rubi, auto, White, some mods; 2004 Grand Cherokee 4.7, Silver, stock; 2003 Grand Cherokee 4.7, White, stock; 2000 TJ, Green, lots of mods; 1997 TJ, Blue, lots of mods
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Old 09-14-2011, 08:21 AM   #2
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If my jeep was here I would let you know since I ordered the same setup and your post now scares me. However if this is true, then I do agree with you that its stupid and needs fixing. I've had remote start on other vehicles and it does not turn pb the compressor unless I set it to.

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-Faulty driver side head replaced at 23,000 miles
-New AB head possibly faulty and being replaced at 29,000 miles
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Old 09-14-2011, 08:28 PM   #3
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I have a 2012 with Auto Temp and I have the same problem when I use the Remote start. Mine is going in Monday for service. I previously worked for my Dealer for 7 years. So I don't think they'll give me the runaround...heck I took a video on my Droid today to prove it!!

I just posted this here:

http://www.wranglerforum.com/f33/201...ml#post1570848
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Old 09-14-2011, 10:34 PM   #4
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It's good to know I'm not the only one. If you would be so kind to share what you find next week I would appreciate it. I'll be happy to share my experiences and dealer info via PM or email if it helps you in any way.
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Current: 2012 JKU Rubi, auto, White, with the fancy new engine and transmission, 3.5 AEV lift, 35 MTRs, some bumpers, some carriers, some electronics, and so on.
Former: 2010 JKU Rubi, auto, White, some mods; 2004 Grand Cherokee 4.7, Silver, stock; 2003 Grand Cherokee 4.7, White, stock; 2000 TJ, Green, lots of mods; 1997 TJ, Blue, lots of mods
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Old 09-15-2011, 09:18 PM   #5
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Originally Posted by Jim M View Post
It's good to know I'm not the only one. If you would be so kind to share what you find next week I would appreciate it. I'll be happy to share my experiences and dealer info via PM or email if it helps you in any way.
Sure Jim. No problem. I'll keep you up to date.
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Old 09-19-2011, 05:46 PM   #6
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Originally Posted by Jim M View Post
It's good to know I'm not the only one. If you would be so kind to share what you find next week I would appreciate it. I'll be happy to share my experiences and dealer info via PM or email if it helps you in any way.
The Dealer was able to duplicate the problem. They're going to contact the Tech. Dept. with Chrysler and get back to me. Not a really big deal at this point going into the Fall season. However I'm sure they'll be a flash update coming from Chrysler.

Funny thing we tried to duplicate the problem on another 2012 Sahara 4-door with Manual A/C and it wouldn't do it. We were able to turn off the A/C after using Remote Start to start the vehicle. Chrysler will probably release a TSB soon.
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Old 09-19-2011, 06:39 PM   #7
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I hope so. I've contacted Chrysler again and had my case re-opened. Funny thing is, I never closed it.

I'll post any changes in status here. Thanks for your update.
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Current: 2012 JKU Rubi, auto, White, with the fancy new engine and transmission, 3.5 AEV lift, 35 MTRs, some bumpers, some carriers, some electronics, and so on.
Former: 2010 JKU Rubi, auto, White, some mods; 2004 Grand Cherokee 4.7, Silver, stock; 2003 Grand Cherokee 4.7, White, stock; 2000 TJ, Green, lots of mods; 1997 TJ, Blue, lots of mods
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Old 09-19-2011, 06:49 PM   #8
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Originally Posted by ChasmCrawler View Post
Not a really big deal at this point going into the Fall season.
Hope it works better when it is cold and you want to warm the Jeep from the remote.
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Old 09-20-2011, 06:37 PM   #9
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Hope it works better when it is cold and you want to warm the Jeep from the remote.
Update: When using Remote Start the A/C always comes on even if when I last left my Jeep I had the heat on!!! Even the A/C L.E.D. indicator comes on when I didn't even leave the Jeep last with the A/C on!! WTF! Now I'm freezing! The Jeep must be shut off for about 10 minutes and then I can start it with the key and the A/C finally shuts off! I even tried disconnecting the battery for about an hour and used my second fob...no luck...the A/C still comes on when Remote Start is used....and "NO" my Mode selector IS NOT in the defrost setting...it's either forward dash or floor outlets. I hope Chrysler finds a fix for this soon or the Remote Start will be useless come the really cold weather.
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Old 09-20-2011, 07:09 PM   #10
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I got a call from Jeep today to let me know that my case will be referred to yet another engineering group. The CSR told me that the more people complain about this, the more likely it is to be addressed.
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Current: 2012 JKU Rubi, auto, White, with the fancy new engine and transmission, 3.5 AEV lift, 35 MTRs, some bumpers, some carriers, some electronics, and so on.
Former: 2010 JKU Rubi, auto, White, some mods; 2004 Grand Cherokee 4.7, Silver, stock; 2003 Grand Cherokee 4.7, White, stock; 2000 TJ, Green, lots of mods; 1997 TJ, Blue, lots of mods
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Old 09-20-2011, 10:17 PM   #11
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Ok, remote start blows cold air from the dash vents even when set for 80s and set to blow for the floor vents. It doesn’t change until you open the door to the vehicle and the AC light is on when I open the door. I PCS to Alaska in March this just isn’t going to work I don’t want the F-ing compressor on when it’s 20 below morons I knew the more expensive climate controls were going to be an issue.
I will call my Dealer tomorrow!!!!
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Old 09-20-2011, 10:42 PM   #12
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Originally Posted by Joe Dirt 357 View Post
Ok, remote start blows cold air from the dash vents even when set for 80s and set to blow for the floor vents. It doesnít change until you open the door to the vehicle and the AC light is on when I open the door. I PCS to Alaska in March this just isnít going to work I donít want the F-ing compressor on when itís 20 below morons I knew the more expensive climate controls were going to be an issue.
I will call my Dealer tomorrow!!!!
Mine is MANUAL climate control, not auto. I can _almost_ understand the problem in the auto system as it's computer controlled, but I'm baffled by mine being manual control.

Hopefully this is fixed for you before heading to AK.
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Current: 2012 JKU Rubi, auto, White, with the fancy new engine and transmission, 3.5 AEV lift, 35 MTRs, some bumpers, some carriers, some electronics, and so on.
Former: 2010 JKU Rubi, auto, White, some mods; 2004 Grand Cherokee 4.7, Silver, stock; 2003 Grand Cherokee 4.7, White, stock; 2000 TJ, Green, lots of mods; 1997 TJ, Blue, lots of mods
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Old 09-21-2011, 07:19 PM   #13
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Originally Posted by Joe Dirt 357 View Post
Ok, remote start blows cold air from the dash vents even when set for 80s and set to blow for the floor vents. It doesn’t change until you open the door to the vehicle and the AC light is on when I open the door. I PCS to Alaska in March this just isn’t going to work I don’t want the F-ing compressor on when it’s 20 below morons I knew the more expensive climate controls were going to be an issue.
I will call my Dealer tomorrow!!!!
Yup! That's exactly the problem and the A/C will not shut off until you shut your Jeep off and wait about 10 minutes! IT SUCKS! Remote start is completely useless to all who have it and this problem!

In the Summer you can't shut the A/C off which wastes gas and if you're already cooled off then you freeze.

In the Winter the heat will never get really hot because the A/C is on still wasting gas and your freeze!

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Old 09-22-2011, 11:53 AM   #14
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Where is the fuse for the A/C compressor? In the winter I will pull it and then replace it in the summer.

I just don’t understand why the A/C compressor has to work all the time that’s why my gas mileage is crappy I knew I should have gotten the regular climate controls a waist of $150 for the auto climate controls.

Oh ya, if I want to pull the A/C fuse I will need my computer since my manual is trapped on a DVD, but I think I seen it on the user’s guide.

Well if this is the only problem I suppose I can live with it.
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Old 09-22-2011, 07:29 PM   #15
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This issue is not limited to auto controls. I have manual controls and I have the issue after using the remote start.

On another related note, my Jeep CSR called today and told me that the system is design to operate the A/C compressor until the key is inserted and turned to run. At that time the A/C compressor returns to the settings on the HVAC controls. I said great, now we can work on why I NEVER get control, even after the key is turned to run. After an awkward silence, he said he would go back to the engineers and get back to me...
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Current: 2012 JKU Rubi, auto, White, with the fancy new engine and transmission, 3.5 AEV lift, 35 MTRs, some bumpers, some carriers, some electronics, and so on.
Former: 2010 JKU Rubi, auto, White, some mods; 2004 Grand Cherokee 4.7, Silver, stock; 2003 Grand Cherokee 4.7, White, stock; 2000 TJ, Green, lots of mods; 1997 TJ, Blue, lots of mods
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Old 09-22-2011, 07:52 PM   #16
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There's probably some 2 second flash update to the PCM/BCM that's going to fix this issue. Hope it happens soon!
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Old 10-22-2011, 03:29 PM   #17
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I just picked up my 2012 yesterday,it appears they have fixed this issue.
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Old 10-23-2011, 09:53 AM   #18
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I just picked up my 2012 yesterday,it appears they have fixed this issue.
The issue for me is sporadic, and decreases with the temperature. I still have it form time to time. My dealer is useless and Jeep are no better.

I truly hope you don't have this problem.
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Current: 2012 JKU Rubi, auto, White, with the fancy new engine and transmission, 3.5 AEV lift, 35 MTRs, some bumpers, some carriers, some electronics, and so on.
Former: 2010 JKU Rubi, auto, White, some mods; 2004 Grand Cherokee 4.7, Silver, stock; 2003 Grand Cherokee 4.7, White, stock; 2000 TJ, Green, lots of mods; 1997 TJ, Blue, lots of mods
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Old 10-30-2011, 07:21 AM   #19
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I just picked up my 2012 yesterday,it appears they have fixed this issue.
What was the fix they did and problem noted on your repair order? Thanks.
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Old 10-30-2011, 07:28 AM   #20
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Haven't seen the issue on my 2012 yet.
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-Faulty driver side head replaced at 23,000 miles
-New AB head possibly faulty and being replaced at 29,000 miles
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Old 10-30-2011, 08:44 AM   #21
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What was the fix they did and problem noted on your repair order? Thanks.
Nothing.....mine came working from the factory took delivery october 21st
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Old 10-30-2011, 09:19 AM   #22
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Nothing.....mine came working from the factory took delivery october 21st
There's probably a range of VIN's that are affected by this issue.

What is the production Month and Day, if you know it, of your Jeeps?

Thanks,
-Joel
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Old 10-30-2011, 09:24 AM   #23
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Originally Posted by chasmcrawler

what is the production month and day, if you know it, of your jeeps?

Thanks,
-joel
10/13= doesn't have the issue
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Old 10-30-2011, 09:28 AM   #24
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10/13= doesn't have the issue
Mine was built their 3rd day of production in the middle of July. Yours being built this month would make sense that it's OK.
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Old 10-30-2011, 10:05 AM   #25
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Mine was built their 3rd day of production in the middle of July. Yours being built this month would make sense that it's OK.
...well at least they fixed it for the newer ones.....hopefully it gets taken care of for those that got them first!
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Old 10-30-2011, 10:08 AM   #26
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Mine was built in mid September and works fine
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-Faulty driver side head replaced at 23,000 miles
-New AB head possibly faulty and being replaced at 29,000 miles
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Old 10-30-2011, 11:12 AM   #27
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Mine is an August build
Ac is on evert time I use remote start
Going to dealer this week
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Old 10-30-2011, 07:03 PM   #28
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Mine is an August build
Ac is on evert time I use remote start
Going to dealer this week
Welcome to the club!

I'm pulling my A/C fuse for the winter and occasionally putting it back in on a warmer days just to cycle the compressor.
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Old 10-31-2011, 03:17 PM   #29
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How do you guys tell if ac is on or the compressor after the remote start? I had mine installed by the dealer 2 weeks after I bought it and have no clue what you guys are talking about or how to check it? My heat blows hot from what I can tell when I get in my Jeep in the morning after a remote start.
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Old 10-31-2011, 03:19 PM   #30
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Hmmm.....so has this been resolved?

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