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  #121  
Old 11-24-2013, 10:25 PM
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Re: Outside Temperature Sensor Problem

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Originally Posted by Theo P. View Post
This is interesting - the outside air temp sensor on my 2014 Grand Cherokee Limited seems to be malfunctioning. This thread has observed high temps. Mine is fixed low and eventually eases up after 10 minutes or more. Example. Today, it insisted that it was 42 degrees out. It was 26 degrees warmer (68). The other day it was fixed on 39 when I drove it two times during the day - it was 58 out. We've had several cars and I've never had one where the car didn't just display the outside temp right off and right where you'd expect it to be (i.e. the actual outside temperature). This isn't a complicated bit, so I'm surprised to have the issues and see these posts. Is Jeep using a poor quality part or are these too hot / too cold stories the odd exceptions? I'll be taking it in for its first service visit to get the problem resolved.
Here's another good one for this thread, the temp was actually 87 and our 2014 GC Summit temp froze up at 66 and wouldn't change. It has something to do with the software in the NAV system. When the temp dropped below 80 into the 70's it started working again. Its cold in WA State now so it appears to be working better. We've had a whole new NAV system installed and some updates so we shall see what happens this summer.
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  #122  
Old 11-24-2013, 10:41 PM
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Re: Outside Temperature Sensor Problem

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Originally Posted by Peter_K View Post
Oh I know Bill. I just get rather frustrated with how people will make blanket statements about an entire brand (or even industry) from their singular experiences...both good and bad. I can understand the personal side (hey...this sucks for me). But that devolves quickly into telling everyone else how their experiences will be (hey, it's going to suck for you too!) regardless of what the actual larger picture facts say.

More to the point and as I said I get really offended by the "armchair engineers" out there who throw insults about how easy it should be to do something or how it is unconscionable that something "got past testing" (when generally that isn't what happened) when they simply have no idea how what they perceive to be the "simplest thing" is actually quite complicated when you actually have to solve the real-world parts of it on a budget, in a given timeframe, with certain parameters, and so forth.
I've had approximately 40 new vehicles at the age of 57. I'm very mechanically inclined and pretty knowledgeable. This is our first Jeep product although not our first Chrysler product ( 2002 1500 Ram, 2004 2500 diesel Ram, 2006 3500 Mega Cab diesel). Had pretty good luck with our trucks but our 2014 GC Summit has been one problem / issue after another. This has been one my more favorite vehicles that I have purchased but I have to honestly say I've had more problems with this one vehicle than I had with all the other 40 put together.

After reading all the different threads regarding the problems and issues most of us seem to be experiencing doesn't really appear to be a blanket statement. The new Trailhawk is coming out and already problems similar to out GC Summit. Jeep needs better quality control over their prodution. They are great looking vehicles just need to put more time and effort into the finished product.

We are hanging in there hoping Jeep gets all the issues / bugs corrected and figured out because we really like the vehicle. If they don't than we will have no other choice than to Lemon Law it.
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  #123  
Old 11-25-2013, 11:18 AM
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Re: Outside Temperature Sensor Problem

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Originally Posted by 2014 summit View Post
I've had approximately 40 new vehicles at the age of 57. I'm very mechanically inclined and pretty knowledgeable. This is our first Jeep product although not our first Chrysler product ( 2002 1500 Ram, 2004 2500 diesel Ram, 2006 3500 Mega Cab diesel). Had pretty good luck with our trucks but our 2014 GC Summit has been one problem / issue after another. This has been one my more favorite vehicles that I have purchased but I have to honestly say I've had more problems with this one vehicle than I had with all the other 40 put together.
This is what I was trying to say in the other thread that got a bit out of control. This is, for all intents and purposes, a "first year" model. Even though it was a refresh cycle, it was a fairly extensive refresh -- new electrical architecture, new modules, new transmissions. Throughout every complex consumer product market, "first year" models are simply known to have more issues than later year builds. Consumer electronics (televisions come to mind especially) and vehicles especially hold this true. The more complex the product, the more this applies. Its well known, often joked about or even complained about, but given the way market forces work in the consumer world, it's a fact of life for mass-produced products. Nobody likes it, but it's reality. When you team cost, time-to-market, and a great deal of complexity, this happens. I have not seen a true first-year model run on vehicles from any manufacturer where the reported problems weren't signficantly higher than later years.

Generally, especially with electronics and software-driven items the issues progressively get better over the course of that first year. This is also true of mechanical issues, as parts revisions begin to resolve these issues as they become known.

This is perfectly laid out in how the 2014 GC build cycle has been going so far. Those built very early on have the highest number of reported problems and they've been progressively decreasing (and many of those problems in earlier vehicles are being resolved).

Generally, and as a rule, I will warn people off of buying a first year run of any vehicle (whether it's a brand-new design or a major refresh that's more than just cosmetic) unless they understand all of this and are willing to trade the inconvenience for that first year (as the problems are resolved) for the value (to them) of having the newest model and feature set. I do the same with consumer electronics that are new. I myself waited until later in the 2014 build year before making a purchase deliberately.

I'm not saying don't complain or report problems--the problems definitely need to be known about so that they can be fixed.

Quote:
After reading all the different threads regarding the problems and issues most of us seem to be experiencing doesn't really appear to be a blanket statement. The new Trailhawk is coming out and already problems similar to out GC Summit. Jeep needs better quality control over their prodution. They are great looking vehicles just need to put more time and effort into the finished product.
The Cherokee is an all-new design. Same concept as above applies in spades.

Of course you could alleviate some of these issues by putting more time into it. But how much? Should you hire 10,000 drivers and have them drive the vehicle for 3-6 years before you release it (in order to have a really significant sample set)? Often times there are people driving them for some time, but no vehicle manufacturer can afford to have 10,000 vehicles in drive testing for 3-6 years before releasing product.

Just to clarify--I'm not saying these issues don't need to be addressed.

Quote:
We are hanging in there hoping Jeep gets all the issues / bugs corrected and figured out because we really like the vehicle. If they don't than we will have no other choice than to Lemon Law it.
And that's basically the track I would recommend, and do recommend to others. If they don't correct the issues, then there's a serious problem. I recommend taking the approach that most of the issues presented here (not all, but most) are pretty typical first-year change results, annoying but not catastrophic, and that they will be resolved. If they don't get resolved, or you for any reason don't believe they will be (reasonably), then it's time to consider other action or a re-evaluation of the company's commitment to the product.
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  #124  
Old 12-09-2013, 09:25 AM
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Re: Outside Temperature Sensor Problem

I remote started my 2014 JGC via my iPhone while I was on the airport bus to the parking lot the other day. My Jeep had been there for 6 days and the OAT was 5 degrees F. I was looking forward to a warm seat and steering wheel since my auto climate controls option is set to on.

Unfortunately, the heaters were not on because my Jeep was indicating 50F OAT and did not update until I left the parking lot. A few minutes later it was accurately indicating 5F.

Since the future "fix" mentioned in this thread references a problem for vehicles that are started after being parked for less than 4hrs 15min, it doesn't seem like that will address my problem.

I'm taking it to the dealer today for an oil change and recall procedure and I'll ask them to look at this. If I find out any useful info, I'll post it here.
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  #125  
Old 12-10-2013, 10:40 AM
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Re: Outside Temperature Sensor Problem

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Originally Posted by Willx View Post


Slower ambient temperature updates, primarily noticed during lower speed stop and go driving or
after the vehicle was driven and parked, engine off, for less than 4 hours and 15 minutes. If the
vehicle is started, within the off time period, the last known ambient temperature display strategy
displays the last temperature at vehicle ignition off (or possibly a colder temperature than period up to
4 hours and 14 minutes later) and displays it.
My 2014 JGC seems to operate differently; at startup, it displays the last known ambient temperature even if it has been off for longer than 4hrs15min. As I noted above, my vehicle was off for 6 days and when I remote started, it displayed 50F, even though it was 5F OAT. It did not update until I started driving.

This prevents the auto comfort features from working as they are predicated on OAT less than 40F. My dealer says the caching of the previous ambient temperature is normal. Hopefully, the "fix" that Willx referenced above will address this, although it seems to only focus on an issue if the vehicle is off for less than 4hrs15min.
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  #126  
Old 12-10-2013, 10:57 AM
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Re: Outside Temperature Sensor Problem

Any updates on when they will have the exterior temp sensor update out? weren't they talking 4Q 13? 4Q will be winding to a close soon. I didn't notice much impact with this defect in the warmer months but now its colder I can see the issues it is causing more, same as some of the folks above. Nothing huge or critical but more just the annoyance of auto mode not working correctly in these colder temps. yeah I know set it manually and I will be warm but that's not the point really. Just curious if any of the folks here who have the inside scoop on some of this stuff have heard anything new recently on when they intend to issue the update?
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  #127  
Old 12-10-2013, 11:04 AM
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Re: Outside Temperature Sensor Problem

Interesting. Outside temp sender works fine on my 2012. I wonder what they did for the 2014 model year to screw things up.

With my 2012 if the sensor gets covered in mud and then uncovered it will take a couple minutes for it to reset.

Outside temp sensors have been around for a long time shouldnt be that hard for Jeep to get it right!
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  #128  
Old 12-10-2013, 11:10 AM
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Re: Outside Temperature Sensor Problem

yeah its a known issue on the 2014s and they are supposed to be coming out with a fix for it. since some of the hvac functions are tied to what it is reading it can cause weirdness in the hvac operation. I am noticing it more now that it has gotten colder.
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  #129  
Old 02-07-2014, 10:24 AM
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Re: Outside Temperature Sensor Problem

I have a simular problem with my 2014 GC except my reads 90, 81 and so on while it actually is 20 outside. Bringing it in next week.
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  #130  
Old 03-02-2014, 08:41 AM
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Re: Outside Temperature Sensor Problem

Any updates?
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  #131  
Old 03-03-2014, 10:22 AM
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Re: Outside Temperature Sensor Problem

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Originally Posted by flashbang View Post
Any updates?
Have not heard anything on this I thought an update was supposed to be out for this 4Q13 but nothing yet. This one and the erratic winter time HVAC operation that many people are complaining about are the 2 items left on my bucket list. Keep an eye on the TSB list, the dealers will just keep saying normal operation even if your exterior temp reading is 50 degrees off until a TSB is out on it.
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  #132  
Old 03-03-2014, 01:00 PM
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Quote:
Originally Posted by silvermax04 View Post
Have not heard anything on this I thought an update was supposed to be out for this 4Q13 but nothing yet. This one and the erratic winter time HVAC operation that many people are complaining about are the 2 items left on my bucket list. Keep an eye on the TSB list, the dealers will just keep saying normal operation even if your exterior temp reading is 50 degrees off until a TSB is out on it.
Mine is inaccurate lately. Yesterday it was reading 31 when it was raining. I got in my wife's car a few minutes later and hers said 35F. I believe my wife's car since it was raining instead of snowing.
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