2017 dodge ram 1500 5.7 hemi: when the eco light goes on does that mean it's in MDS mode?

Asked by Feb 14, 2017 at 10:55 AM about the Dodge Ram 1500

Question type: General

7 Answers

67,925

Eco light means it is running in 4 cylinder MDS mode. When sufficient load is placed on the engine such as going up a slight grade, the engine will switch back to all 8 cylinders and the Eco light will go out. Please note that when in trailer / haul mode the ECO MDS system does not activate.

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10

Thank You...

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67,925

I have a 2014 Ram so I am well acquainted with the ECO function. Reading the manual should answer any other questions.

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220

I have a 2017 Ram 1500 with the MDS. I do not see the Eco light but I feel n hear when it is operating on 4 cyl. Am I doing something wrong?

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30

I have a 2017 and it comes on in tow/haul mode the only way I have found to shut it off is to put it in manual mode it will still go through all the gears if placed into 8th gear and all the shaking and most of the hesitation will go away! I wish it was always off and it had a button to turn it on!

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30

My 2018 has an eco activation inside the options on the screen display. Mine was off several weeks because I didn’t know about it. I was getting 16-17 mpg with it off. Once I found it and activated it I started getting 18-19 mpg. I never had the green eco light until I enabled the option through the menu on the touch screen

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10

Where exactly is the eco/mds switch on the 2018 5.7 Hemi ? My 2018 sport quad cab does not show any indicator light as my 2014 did...

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