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  #13  
Old 06-19-2013, 09:13 PM
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Re: AC quit working on 2014 Jeep GC

Today, Wed, the AC climate screen locked up again and the AC control shifted to hot air defrost. Both times this has happened we were idling (checking GPS & maps) during a very hot afternoon. Took it to a Jackson, MS Jeep dealer (4th dealer). AC again started working while they were troubleshooting so no fix. Dealer recommended that I contact Chrysler/Jeep and explain the problem and get them involved to assist with troubleshooting and repair. We did this and Chrysler said they would start the process.

This Jeep dealer has seen cars with various electrical problem and knows Jeep is working on the software updates. The service writer said in our case they would not be surprised that the problem is not built into the screen electronics, possibly not enough ventilation on a hot day. This is pure speculation and has no basis in fact but I repeat it as a hallmark to see how it compares when all is fixed. Incidentally, the AC worked the rest of the afternoon. We're thinking this should be our last Jeep Dealer visit until we get home where we will be in a position to turn the vehicle over to the dealer for repair.

For those future times when this mind-of-its-own AC control decides to take a time out, we'll be plugging in our 120 VAC fan into the inverter to keep us "cooler".
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Old 06-20-2013, 07:57 PM
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Re: AC quit working on 2014 Jeep GC

A Thursday update. Wednesday the Jackson Jeep dealer suggested, as a temporary measure, putting the AC in auto mode and not touching the climate screen until we reached our home dealer. So today (Thur) we drove it and until after lunch it worked. After lunch the ambient temperature reached the high eighties and typically after idling for a few minutes it quit. We rolled down the windows prepared to cook the rest of the afternoon and I thought about plugging in our little fan. About two minutes after we started moving the AC started up and ran OK. It did this cycle three more times during (each time while idling) the hot afternoon. I would say I now have something that can be duplicated and troubleshootable.

I am assuming this is the way it is going to go until we arrive home so unless something new and different starts this will be my last report until it is FIXED.

A Chrysler Rep called me today in response to my call to them yesterday. They want to do whatever it takes to fix the car. I told them, if at all possible, I wanted to try to live with the problem until we got home and then their assistance to our dealer would be appreciated / expected if necessary. The conversation was positive and I am pleased with Chrysler's attitude.
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Old 06-20-2013, 08:18 PM
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Re: AC quit working on 2014 Jeep GC

Quote:
Originally Posted by BobsWK2 View Post
Since the 2014 WK2 has been released to dealers back in March, I just wish I could go a week without reading a post here about a new problem on the 2014's. Doesn't speak to well about their R&D department.

But then again, Chryslers history has never been known for doing much R&D on any vehicle.
2014 Overland loaded up with about 1,500 miles and no dealer/service visit since initial delivery. Fit, finish, operation, electronics, performance, etc....FLAWLESS.

As for A/C performance, temp highs here in Phoenix metro area are in the range of 106 to 108 degrees...A/C output is more than adequate..at peak output it's too cold thus requiring downward adjustment.
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Old 07-12-2013, 03:24 PM
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Re: AC quit working on 2014 Jeep GC

Finally, the answer, I think. We returned from our across the country trip last weekend and put our 2014 Jeep GC into our local dealer this past Monday to have them fix the problem that the AC would not stay running. Toward the end the AC would only run about 30 seconds. Also an occasional black NAV screen and the SAT radio would shut down for minutes at a time.

Yesterday (Thur) they said the problem with the AC system is the radio. Actually what they are ordering is a Telematics Gateway Module. That's the Radio except the radio part is apparently a very small function. The new “radio” was ordered today and will be here Tuesday through Thursday. In the meantime Chrysler made arrangements for a rental car.

What concerns me is the "radio" failure just a fluke and the replacement radio will really fix the problem? Or will the same "heat" failure problem occur again? I say "heat" because as the car heated up the problems got worst.

If you want to read about telematics the link below is helpful as it speaks directly to Chrysler products. So who knew about "Telematics"? Would I have Telematics if I had not purchased the UCONNECT radio?

After reading this article I am really not sure if this electronics solution is an improvement. I personally like the features the Uconnect radio provides as they are relatively easy to use. For me the screens are not perfect but for the most part they are useful and helpful. I have to think that some improvements will be done as more of us use the screens and provide feedback. But if this technology is not dependable then it’s useless. Even more useless is the time it took for the mechanic to troubleshoot the problem. I am not criticizing the mechanic but the system that apparently makes it difficult to isolate the problem. Chrysler is going to go broke if it routinely takes a mechanic four days to find out the "radio" is the problem. And I have to think that Chrysler's customers are going to abandon the product if troubleshooting times aren't reduced.

New Chrysler electronic architecture includes data bus just for telematics
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Old 07-16-2013, 08:50 PM
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Re: AC quit working on 2014 Jeep GC

Chrysler did exactly what they said they would and delivered the Telematics Module / Radio today (Tuesday 07/16/2013) and the dealer installed it. But after the install our 2014 Grand Cherokee is still broken (No AC) as the new module did not fix it. Dealer is consulting with Chrysler as what to do next. I called my Chrysler Representative and asked that they assist the dealer which wasn’t probably necessary but a little push can’t hurt. Dealer is doing everything they know to do. I asked the dealer to guess and he said possibly in the wiring bus. Car has been there 6 working days.
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Old 07-20-2013, 08:40 AM
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Re: AC quit working on 2014 Jeep GC

I haven’t posted because we decided to live with no AC until we returned home. Took the car to the dealer and they began troubleshooting. The first conclusion was the Telematic Module /Radio. Installed new module/radio but problem still existed. Second conclusion was that because the After Market (A-M) braking system air line and wire used the same firewall port as the factory wiring this installation caused a “nick” in the factory cable wires. Reinforcing this assumption was that during this troubleshooting the dealer’s mechanic moved the factory cable and the trouble cleared. Since the AC was now working they returned the car and said they would not again troubleshoot this problem (nothing was really “fixed” so the problem may return) until the A-M installation was examined by the A-M installer and this equipment removed.

The A-M installer checked the factory wiring for nicks and found none. They removed the air line and wiring from the factory wiring port and reinstalled it in a new port remote from the factory wiring. During this work the mechanic pulled, turned, picked at and shoved the factory cable. When this work was competed the AC still continues to work normally.

Although it was initially hard to argue against Chrysler’s assumption that the A-M work may have nicked a wire and caused the problem, it is now still not apparent what is causing the problem. I am going to let this “fix” ride to see what happens. I am now thinking that it may be there were two problems: one of them being the Telematic module and the second something wrong in the cable. Maybe the later caused the former? So the “fix”, so far, was replacing the Telematics module and moving the factory cable to another position.

If the factory cable fails again it will be interesting to see what argument Chrysler gives me as I think they are attempting to build a case that the A-M installation caused the problem. They even mentioned to the dealership about “Branding” my warranty which I learned is auto lingo for voiding my warranty. The dealership claims they talked them out of going that far. On the other hand I have to give Chrysler credit for paying for the Telematic module, the car rental and the labor (car in shop for 6 days) in the face of their belief that they are not responsible. It’s been a tedious and frustrating experience but the Jeep has served up a large learning platter regarding its operational guts. As I drove the hour to the A-M company I did reconfirm I enjoy driving the Jeep. A good thing given the large economy size hassle factor we’re going through.
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