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  #37  
Old 12-24-2013, 12:08 AM
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Quote:
Originally Posted by mswlogo View Post
I had started a similar thread when I first got the 2014 limited.

Since then I think I found settings that work pretty well.

I set it on 70. I do NOT use Auto. I set it to Manual Floor and Front vents and set the Fan on 2.

I hardly ever touch it now. Except when I need defrost

If you boost the temp or fan when you first get in, you will be in a furnace and over shoot. When you get home in your house do you set the temp to 80 to heat up faster. Of course not. Just leave it.

It does not heat up much faster if you do. Just be patient. It warms very quick.

It does overshoot a little. Don't turn it DOWN, it will settle on it's own.

If you lower it when it over shoots, later you'll be cold.

I just leave it on 70 at Fan 2 and it comes up moderate fast, very quiet, very even distribution, a little over shoot and doesn't take long to settle.

Your preference might be 69 or 71 whatever.

Find a comfortable temp on a long trip and just leave it there.

After I found this setting I think it's the most comfortable HVAC I've ever owned.

It's a Thermostat not a Heat Throttle.
I usually keep them synced at 68 to 70 when im driving by myself. Some days it will litterally cook you until you turn it down, other days it is fine. On days that it cooks me if I turn it all the way to cool and then back up to 68 or so it is fine. But if I leave it at 68 the longest I have gone is 10 minutes, after that I have to turn it down or I will be shedding layers.
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  #38  
Old 12-24-2013, 12:12 AM
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Re: Problem With 2014 Grand Cherokee Heater

I concur: climate control on the 2014 Summit is abysmal.

The system pushes air that is uncomfortably hot (I had two thermometers in the front vents today, both measuring 130+ F at times). This is inordinate when the set thermostat value is 65 F. Even though it is freezing outside, I find myself forced to cycle between a setting of 60 F/Lo (which causes the system to blow cool air) and a slightly higher setting like 65 F (which causes the system to blow excessively hot air).

I also find it is overshooting the configured cabin temperature setting. This is brain-damaged, but I could deal with it by using an offset value when setting the thermostat. However, the overly hot air issue is untenable.

Obviously the system is capable of pushing warm air rather than this overkill. Clearly, this is something a software update could fix: cabin temperature sensor calibration and restricting the maximum temperature of the vent air.
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  #39  
Old 12-24-2013, 10:09 AM
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Re: Problem With 2014 Grand Cherokee Heater

I'm beginning to believe there is a problem with individual units. Could be a sensor, or some sort of software glitch. I have never had this problem. My vehicle stays comfortable, without overheating. I hope those of you that are having this problem can get it resolved. Keep after your dealer to find a fix. Make sure feedback is getting to Chrysler. This is not normal, and isn't happening in all GCs.
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  #40  
Old 12-26-2013, 11:54 AM
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Re: Problem With 2014 Grand Cherokee Heater

I had a 2008 Nissan Altima that I set to 70 when it was warm outside and 72 when it was cold. NEVER had to do anything more. This car is just all over the place. I never feel comfortable with this "auto" control.
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  #41  
Old 12-27-2013, 08:09 AM
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Re: Problem With 2014 Grand Cherokee Heater

Quote:
Originally Posted by jacko15 View Post
I'm beginning to believe there is a problem with individual units. Could be a sensor, or some sort of software glitch. I have never had this problem. My vehicle stays comfortable, without overheating. I hope those of you that are having this problem can get it resolved. Keep after your dealer to find a fix. Make sure feedback is getting to Chrysler. This is not normal, and isn't happening in all GCs.
+1 - I have mine set to 70 on auto and never have to change it.
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  #42  
Old 12-29-2013, 07:33 PM
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Re: Problem With 2014 Grand Cherokee Heater

I have written a letter to Chrysler about this issue and will let you know their reply. Their STAR report response was "normal and cannot be changed". I asked if the speedometer read 68 when the actual speed was 75, would their response be "normal and cannot be changed"? I think not. If I set the satellite radio to 115CNN, but the radio played station 122, would their response be "normal and cannot be changed"? I hope not. If I set the seat heater to "Lo", but the seat would heat to "Hi", would their response be "normal and cannot be changed"? I doubt it. Why then is it Ok for the climate control to read 68, but then heat the cabin to 75? Why make it possible to select a specific temperature, but then have the climate control produce a much higher one? I can only wonder how this is going to work when it comes time for the climate control to produce cool air this summer....what will happen then? I paid a lot of money for this car, and I expect ot to work properly. This is my 4th Jeep GC, but it may be my last.
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  #43  
Old 01-02-2014, 10:14 PM
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Re: Problem With 2014 Grand Cherokee Heater

The heat on auto is kind of all over the place I have noticed in the 2014. Set it at 70 and you will fry. after messing with it a number of times the best I have found is to put it on 67 but still is inconsistent.
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  #44  
Old 01-03-2014, 12:59 AM
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Re: Problem With 2014 Grand Cherokee Heater

I've got the opposite problem: I can have it set to 80 and get blasted with sub-40 outside ambient temperature. This happens in all modes (manual/auto) and the only thing that seems to stop is to make sure air recirculation is on. Probably 2 different problems? I can't tell. Seems really really strange.
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  #45  
Old 01-07-2014, 05:13 PM
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Re: Problem With 2014 Grand Cherokee Heater

Quote:
Originally Posted by Lepactedesloups View Post
I have to say, in manual mode, the climate controls don't even make a lick of sense. You set it for a temp, it gets blazing hot for a few minutes, then it gets to the proper (or near) the proper temperature. Set it one degree higher, and boom, it gets blazing hot again until it re-stabilizes. What a stupid system. On manual mode, the car should ignore trying to equalize temperature numbers and simply act like every other car I've ever owned in my life - blue is cool and red is warm, and all the steps in between. If I want nice, warm air blowing on me (which auto doesn't do) you simply can't without sitting through flames licking out of the vents.
This is exactly what happens to my 2014 GC. I set manual to 60, it starts blowing really hot air and then will come down eventually but its so hot I have to turn it off. HVAC sucks in this car!
Will make an appointment to waste my time in a week or so. I think the car is trying to get it to 60 fast even though its in manual mode, its behaving like auto.
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  #46  
Old 01-07-2014, 06:10 PM
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Re: Problem With 2014 Grand Cherokee Heater

Quote:
Originally Posted by maxim5928 View Post
I have written a letter to Chrysler about this issue and will let you know their reply. Their STAR report response was "normal and cannot be changed". I asked if the speedometer read 68 when the actual speed was 75, would their response be "normal and cannot be changed"? I think not. If I set the satellite radio to 115CNN, but the radio played station 122, would their response be "normal and cannot be changed"? I hope not. If I set the seat heater to "Lo", but the seat would heat to "Hi", would their response be "normal and cannot be changed"? I doubt it. Why then is it Ok for the climate control to read 68, but then heat the cabin to 75? Why make it possible to select a specific temperature, but then have the climate control produce a much higher one? I can only wonder how this is going to work when it comes time for the climate control to produce cool air this summer....what will happen then? I paid a lot of money for this car, and I expect ot to work properly. This is my 4th Jeep GC, but it may be my last.
Your HVAC is not working as it should.
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  #47  
Old 01-07-2014, 06:20 PM
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Re: Problem With 2014 Grand Cherokee Heater

Quote:
Originally Posted by jeepwes View Post
This is exactly what happens to my 2014 GC. I set manual to 60, it starts blowing really hot air and then will come down eventually but its so hot I have to turn it off. HVAC sucks in this car!
Will make an appointment to waste my time in a week or so. I think the car is trying to get it to 60 fast even though its in manual mode, its behaving like auto.
Sounds like normal operation. Even when in manual mode, you are setting a desired temperature much like you do with the thermostat in your home.

Manual Operation

The system allows for manual selection of blower speed,
air distribution mode, A/C status and recirculation control.

The blower fan speed can be set to any fixed speed by
adjusting the blower control. The fan will now operate at
a fixed speed until additional speeds are selected. This
allows the front occupants to control the volume of air
circulated in the vehicle and cancel the Auto mode.

The operator can also select the direction of the airflow
by selecting one of the available mode settings. A/C
operation and Recirculation control can also be manually
selected in Manual operation.
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  #48  
Old 01-07-2014, 06:58 PM
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Re: Problem With 2014 Grand Cherokee Heater

I take back partially what I said a few posts back.

I normally always have it set Manual with Fan on 2. I like the fan quiet and can barely hear it on 2. This works quite well but does not serve my needs 100% of the time.

I hit defrost the other day while still set on 70 degrees and after a while I was cooking.

It seems as soon as I put the fan on High it seems to ignore the "Thermostat" setting. It cooks you when not on Defrost too, when the fan is high.

I don't like Auto because it wants to control the Fan too (if I recall). As soon as you touch the fan control I believe it takes it out of Auto.
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