Chryslers multidisplacement system mds is an automobile engine variable displacement technology. As i understand it, the eco symbol is nothing more than an indicator of light throttle and has no ties to the mds. The models this catalog covers are dodge ram 1500, 2500 and. Chrysler group llc shall be deemed to be deleted and the name chrysler. I think i could have lived with it without it driving me too crazy. Took to dealership and they could not repeat concern as i described. View and download ram 1500 2012 owners manual online. The mds system has, according to chrysler, saved nearly 100. I went to the dealership and for 100 dollars the guy could have it kick on at 21 mph instead of 12 mph when light on the gas pedal.
It then became available for the chrysler aspen in 2007 and dodge. Unless they have changed something for the 08 models i am unaware of, all the hemi ram 1500 engines have mds. Article says wrong oil causes improper operation of mds tsb. Mds is a multidisplacement system that deactivates a cylinder bank on the chryslers hemi v8 engine to operate in fourcylinder mode for greater fuel efficiency. In 2005, it was available in the chrysler 300c, dodge charger, dodge magnum and jeep grand cherokee. Owners manual say to replace the top plugs at 4850,000 miles. This system is used in a variety of models including the dodge ram, charger and chrysler 300. Range technology dodge mds manager dodge challenger forum. Home dodge ram repair manuals download 2001 2012 dodge ram 1500 2500 3500 repair manual october 24, 2016 repair manual dodge ram repair manuals 3 a 2001 thru 2012 dodge ram 1500 2500 3500 repair manual is a book of instructions that details the process of fixing and repairing the truck back to factory specifications. The mds system was barely noticeable, and far superior to gms afm system. Shop lowestpriced oem 2012 ram 1500 parts from genuine parts catalog at.
That was a good note for the none predator group out there for a manual fix. Its my understanding they call for the light weigh 5w20 oil so there is less resistance on the internal engine parts so the mds system will work or kick in easier. At about 6 to 12 in 15 to 30 cm above the latch plate. Were the ultimate dodge ram forum to talk about the ram 1500, 2500 and 3500 including the cummins powered models. On highway trips i often averaged 1920 mpg and one time i observed 21. Like mercedesbenzs active cylinder control, general motors active fuel management, and hondas variable cylinder management, it deactivates four of the v8s cylinders when the throttle is closed or at steady speeds. Chrysler group llc shall be deemed to be deleted and the name chrysler canada inc. Of course if the owners manual says something else, follow its. Transmission has a very moderate bump or jarring thud inside the vehicle after the truck comes to a complete stop from normal driving speeds in cityhighway. Refine results all years 2020 2019 2018 2017 2016 2015 2014 20 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001. Ram 2500 2012, ram 3500 2012, 2012 truck 1500, 2012 truck 2500, 2012 truck 3500. I just bought my third hemi with mds on a 2011 ram 1500 truck. Chrysler ducks dodge ram engine defect class action law360. I went from a 2005 ram 1500 and was getting 16 to 17 mpg and now im bearly getting, what up with that.
Explanation of how to turn off mds multi displacement system as well as how the eco dash light works for a 2016 ram 1500. The suit sought to represent a nationwide or florida class of consumers who own 201020 dodge ram trucks outfitted with the mds a number the porters said could run into the thousands. Download 20012012 dodge ram 1500 2500 3500 repair manual. If your ram truck has suffered from a catastrophic mds system failure that requires full engine replacement, this is a good alternative to our mds delete kit. By actuating the solenoid, oil pressure is raised to the pair of lifter that coincide with each particular solenoid. Upcoming vehicles 20102012 allpar covers all chrysler and related vehicles and the company itself. Rpm fluctuatingtorque converter unlocking dodgetalk forum. It moved next into the ram 1500 calendar year 2002, then to the. Ram rebel shown in flame red with rambox cargo management system. Also if i decide to manually shift to 2nd gear up or down shift it feels like it is. What weight oil do you use in your mds equipped hemis. I just bought a 2012 ram 1500 with the hemi and was wondering if there is a way to tell when the mds is 4 cylinder mode.
Multidisplacement system mds if equipped allows the engine to. This is a quick and easy change can take you about 10 minutes, where is including waiting for the tune to. My 06 ram 1500 hemi w mds and 260k miles has had zero problems with the mds. Download your free pdf file of the 2012 ram 1500 on our comprehensive online database of automotive owners manuals. Obdii onboard diagnostics system debuted along with the. Mds doesnt really help with city fuel mileage, but it does make a difference with highway mileage compared to a non mds hemi. My wife was driving didnt pay to much attention figured it was the road. I also have purchased a 2011 ram 1500 larmie with the mds and totaly hate it. Shop our webstore for genuine oem mopar dodge spark plugs.
View and download dodge ram 1500 series manual online. Dodge ram 1500 questions how does the mds on a ram 1500. Had my motor rebuilt, and it was running great i took it to a dealer just to have it. View and download dodge 2012 ram truck gas 1500 owners manual online. Heres a quick little video of how to turn off mds on your 5. The interior of the chevy is far superior to the dodge, but its not really a fair comparison since i was comparing a chevy lt with some extras to a very basic black express package.
I have been a dodge fan for many years and am considering traiding in my 2011 with 5500 miles on it to a new ford. P3400 dodge description when all the criteria has been met,power is supplied to each multidisplacement system mds solenoid when engine is making a transition from 8 cylinder mode to 4 cylinder mode. But just like anything else, you must take care of it. Hemi mds lifter delete kit by mmxmopar components listed. This highly advanced fuel saver technology system seamlessly deactivates.
I also have a serious lag in the foot feed when it trys to kick out from the mds to the full 8 cylinders. Almost feels like all 8 dont come back in at same time. Parts like exhaust system are shipped directly from authorized mopar dealers and backed by the manufacturers warranty. I replaced the oil control solenoid again and changed the oil. I was now getting a p0016 and a p000b code that cuts the engine power and eliminates the cruise. Chryslers multidisplacement system mds is an automobile engine variable. Were the ultimate dodge ram forum to talk about the ram 1500, 2500 and 3500 including the. Ram 2500 2012, ram 3500 2012, 2012 truck 1500, 2012 truck 2500, 2012. P3400 dodge multiple displacement system rationality bank 1. In 2006, it was equipped in the dodge durango, dodge ram 1500 and jeep commander. Multiple displacement system mds solenoid fault show full signature. Ram 1500 st, ram 1500 slt, ram 1500 trx4 offroad, ram 1500 sport, ram 1500 power wagon, ram 1500 laramie. Ram 1500 with the new hemi that i did with my 2005 dodge ram 1500 which i.
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