4x4 transmissio locked up

4x4 transmissio locked up

This is a discussion on 4x4 transmissio locked up within the RAM 1500 Diesel Transmission forums, part of the RAM 1500 Diesel Garage - RAM 1500 Diesel Mechanics Corner category; 2015 EcoDiesel. 47K, no real problems until today This morning we had snow and ice. I drove across the pasture with a load of hay ...

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Thread: 4x4 transmissio locked up

  1. #1
    ITM
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    4x4 transmissio locked up

    2015 EcoDiesel. 47K, no real problems until today
    This morning we had snow and ice. I drove across the pasture with a load of hay an back to the barn in 4WD. Upon reaching the barn, pressed the 2WD button to release the 4WD and she locked up. Park, Neutral, Drive and Reverse lights lit up on the rotary knob. Turned key off and tried to start. No start. Cant remove the key. Cant move vehicle by pushing. Only then did I notice a message on screen, Service 4x4 transmission, do not turn key off duh!
    Called dealer, explained what happened and they seemed o know exactly what I was talking about. Anyway....had it towed. Hope to hear from them next week.
    Any one else have this issue with 4x4 xmission?
    2015 Ram 1500 ED 4x4

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    Super Moderator Crash68's Avatar
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    Which transfer case?

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    RAM Ninja choochooman74's Avatar
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    How deep was the snow? Could snow/ice have built up around the actuators?
    2015 Ram 1500 ED Big Horn (Purchased 8/15) CC 6.5' Bed, GDE Tuned Since Week 1, Pace Edwards Jackrabbit Tonneau, 1A Auto Tow Mirrors, Debadged, SLT Grill Inserts, XD 797 Spy 18x8.5 Wheel with Michelin Defender LTX M/S2 LT275/65R18 Tires, 20" Stock Wheels Plastidipped with 275/60R20 Blizzaks DM-V2
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    RAM Sr Member cat man's Avatar
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    I would check the connectors under the truck I had a similar problem my first winter after running in slushy snow . latch was not locked and connector came apart.

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    ITM
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    2 in snow an ice. There was a lot of ice built up on the truck......so I did not get under there an look at connections. It was 9 degrees an I had to unload 21 sq. bales of hay from the trailer, so the tow truck could get to the tow points. Was pretty put out with it an maybe not thinking of something so simple as a bad connection. Hope such connectors would be better protected anyway.......
    All my paperwork is in the truck so I don't know the # transfer case
    Dealer has been great in the past so hope to have resolution Monday. Will keep y'all posted.
    2015 Ram 1500 ED 4x4

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    RAM Bronze Member Anomaly's Avatar
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    Since the advent of electrically operated transfer cases, I have usually engaged 4WD as soon as I leave the pavement and not touch the buttons again until I am back at the paved road as a safety measure. I said "usually"... Last week I had to tow a stuck car out on a muddy dirt road. Somehow, I must have bumped one of the TC buttons and suddenly found my rear wheels spinning and no 4WD. I pushed the 4WDH button and immediately got an ABS light flashing on the dash. All of the buttons were lit and nothing that I did would return it to normal. I wasn't going anywhere, so turned off the motor. After restarting, everything went back to normal and I was able to tow the car out. This was in my GMC, but is an example of why not to trust electrically operated TCs. I would be much happier with a lever sticking out of the floor and manually locking hubs.
    Captainmal, Davef, MAS and 1 others like this.
    Gene

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    Super Moderator Crash68's Avatar
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    Quote Originally Posted by ITM View Post
    All my paperwork is in the truck so I don't know the # transfer case.
    If you have the "Auto 4X4" button, you have the BW 44-44, if you have just the "4X4 Lock & Low" buttons it is the BW 44-45
    It starting to sound like the issue may be more front axle related than something to do with the transfer case.

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    RAM Bronze Member Anomaly's Avatar
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    Hmmm... when pressing the 2WD button, two things have to happen. I believe that the TC clutch has to release and the front axle has to disengage. Both are controlled electrically. But, unfortunately it's even more complicated because a computer oversees all of this. I'm guessing that it very well could be electrical. In any case, this is an unfortunate consequence of the the increased complexity of these newfangled 4WD systems. I never had a problem, over many decades, with the old mechanical engage 4WD vehicles. Just releasing my frustrations over unnecessarily complicated technology.

    Please do inform us as to what the problem was and I wish you a speedy resolution.
    Gene

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    RAM Regular wbdavey's Avatar
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    All the electronic/automatic crap makes me worried - so I got the 8 year/120k warranty. Best system I ever had was a 80 F150 with lockout hubs. Engage the hubs in December, unlock them in April. Engage 4x4 at any speed with a gentle pull on the lever. 2nd best was my 97 Dodge 1500 - no hubs, just pull the stick. But the Dodge was limited to below 50 mph, you really had to pull on the lever, and sometimes it made terrible grinding noised when going into 4x4. Rant complete.
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    ITM
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    [QUOTE=Crash68;406577]If you have the "Auto 4X4" button, you have the BW 44

    I must have the BW 44-45 with 4x4 lock and low.

    I have two Fords, a 90 F150 and 2005 F250 both with manual locking hubs.....never a problem. Hope to hear from dealer today.
    2015 Ram 1500 ED 4x4

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