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Discussion Starter · #1 ·
Hi all,

I have done some searching on here and other sites, and read the manual, but I am confused on either the way this button works or if mine is just not working.

According to manual, the simple hitting of that button turns it off, and it should show on the dash that its not in ECO mode, but mine makes no change at all. I hit it quick, soft, hard, hold it for a while.. none of this makes any difference. So, does that yellow light on all of yours stay on or go off, and where on the dash would I see ECO mode status?

Sorry, just that this is really bothering me, along with the fact that my iPhone5 doesn't support voice text... stupid apple.
 

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Discussion Starter · #2 ·
LOL.. wow.. so 90+ views and not one of you have the answer to my question? I know how it goes. Its one of two things.. either ya'll don't actually know, or my question is seriously dumb...

Ok, well the yellow light on the button goes out when I put it in Sport Mode, but I can't manually turn it off. I assume its either broken or thats the way it works. I drove it on the highway today and didnt notice any MDS indicator.

Am i just an idiot or is this something I need to take it in for?
 

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Am i just an idiot or is this something I need to take it in for?
Are the two mutually exclusive? :)

I have never noticed anything on the dash, but when I press the button the light goes out.
 

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Should be able to turn off(light off) with button, it's the first thing I do after starting car. Sounds like yours is not working properly.
 

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Discussion Starter · #5 ·
Are the two mutually exclusive? :)

I have never noticed anything on the dash, but when I press the button the light goes out.
Ha.. well if you ask my wife, she would lean towards one of those two for sure.

Ok, so I have basically the same GC as you, MY14 5.7 Outlander. So, I guess I have my first quirk... damn.
 

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Discussion Starter · #6 ·
Should be able to turn off(light off) with button, it's the first thing I do after starting car. Sounds like yours is not working properly.
Other than the light going out, is there any other indication you turned Eco off? Does it show up on the dash somewhere like when you switch it into Sand or Mud?
 

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Other than the light going out, is there any other indication you turned Eco off? Does it show up on the dash somewhere like when you switch it into Sand or Mud?
It will drive like a dog, you'll def notice when it's on. No other visual indication that I'm aware of.
 

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Discussion Starter · #8 ·
It will drive like a dog, you'll def notice when it's on. No other visual indication that I'm aware of.
Well I certainly notice the difference between Drive and Sport, but I have no idea if the light or the switch is broken... so therefore I don't really know if I have turned it off. It is really hard for me to say even in Eco Mode that its driving like a dog, as its a big honking 8 cylinder and I went straight into it from my 13 Wrangler with the 3.6.

Well anyway, if this is my biggest issue to go wrong in the life of this jeep, I will consider myself lucky.
 

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Even with the Hemi, until the engine fully warms up eco mode sucks. I usually start out in the morning in sport mode/eco off. After my first stop, drive with eco on is fine.

The impression I get before the engine warms up is that the drive train is holding the engine back at too slow an rpm. This is while driving at 25mph, strictly enforced in the am. :(
 

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Discussion Starter · #11 ·
Even with the Hemi, until the engine fully warms up eco mode sucks. I usually start out in the morning in sport mode/eco off. After my first stop, drive with eco on is fine.

The impression I get before the engine warms up is that the drive train is holding the engine back at too slow an rpm. This is while driving at 25mph, strictly enforced in the am. :(
BMW does this in their M series of cars, not that I am comparing them, but you can't go over a certain rpm until the engine gets to a certain temp.

I honestly think that sport mode is the way I like the GC to drive, but I do want the eco button to work. My guess is that the switch is faulty as it does turn off when going into one of the different modes including sport mode, but thats the computer doing it.

PS - the more I drive the GC the more I love it, but also the more I wished I took the hit of disdain, no nooky, and 1 month in a spare room...and just bought the SRT.
 

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There is no indicator in the dash as to whether or not eco mode is on. The yellow light will turn off when eco mode is off, and be on when eco mode is on.
 

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Call me crazy, but I think the Hemi Jeep drives fine with Eco mode on, and this is coming from someone who replaced an SRT Charger with the Jeep.
 

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Ok, you're crazy. Kidding aside, I think Eco mode being on is fine as well, but I do find myself turning it off or switching to Sport when I drive in the city and let Eco mode stay active when I'm on the highway.
 

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Discussion Starter · #15 ·
Apparently I haven't even experienced eco mode. I took it into my dealerships service department today and they hooked it up. Apparently the UCM or some such thing was not sending the signal from that button to the computer. They kept it to wait for help from Chrysler on it, so they gave me a rental and I went off home.

They just called and said that their solution was to take a brand new one out of another new Grand Cherokee and put it in mine. So I am all good to go. I must say I am completely impressed with this dealerships service. They took one of their new inventory cars out of commission to make sure I had my newly purchased jeep back in a timely manner. Not withstanding the shoddy QC from Chrysler, this dealership has in my opinion done the right thing for a repeat customer. I was really afraid of the service from Jeep dealers based on what I have read, but good first experience.
 

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Ok, you're crazy. Kidding aside, I think Eco mode being on is fine as well, but I do find myself turning it off or switching to Sport when I drive in the city and let Eco mode stay active when I'm on the highway.
I've been driving my V6 the same way. Works for me! :thumbsup:
 

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Apparently I haven't even experienced eco mode. I took it into my dealerships service department today and they hooked it up. Apparently the UCM or some such thing was not sending the signal from that button to the computer.
How did you figure that out? Just from feel?

I'm getting absolutely horrible mileage and I suspect that Eco mode might not be turning on, or something else is wrong... Truth be told, I notice little difference in the feel of the Jeep from Eco on/off.
 

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Discussion Starter · #18 ·
I didn't figure it out, they told me at the service department that the car was never getting the signal to go into Eco mode, even when I turned the car on. I don't really notice much difference either.. as annoying as that ECO light on my wifes car is, it gave you something to shoot for when driving on the highway or even in the city.. .when it came on, there were less cylinders and thus fuel being used... it would be nice for the button to go green when MDS goes into effect...
 

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Gotcha. Yeah, it would be REALLY nice to have SOME kind of informational output on the TFT noting that ECO is ON or OFF. I don't trust a light on a button as my only indication. This thing can show me what my wheel articulation is, a picture of my beast in snow if I'm in snow mode, and aim my backup camera lines with my steering, but it can't tell me on the dash that ECO is on or off?

Some new info that just complicates things. I decided to reset the trip B meter starting from work tonight before the 23 mile trip home. I put the Jeep in ECO mode and tried to feather the throttle lightly whenever I needed some pickup. Kept it 65mph or under. When I got home, the readout said I had averaged 26.5mpg for those 23 miles -- 90% highway, 10% local. But my overall tank average, with just over half a tank left, is still just over 16. I guess I'm just going to have to ignore all this whiz bang gadgetry and do it the old fashioned way -- wait until I have to fillup again and then use a calculator.

Hopped in the 2002 Wrangler when I got home to go out and pick up some chinese food and was reminded of the dramatic difference in these two vehicles. :)
 

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Discussion Starter · #20 ·
Yep, I don't miss my wrangler to be honest, and it was a 13 so it had the nice interior and 3.6 L V6 engine. It was a great vehicle, but night and day to this thing. My wife and I went out on date night tonight and there is a dip in the road we travel on and in the wrangler going over it would almost launch us into the roof, but the JGC just makes a slight thump noise and we don't move.. my wife looked at me and just says "nice"...
 
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