2016 1500 EcoDiesel 8 Speed Transmission T-Case stuck in neutral

ctdlaramie15 · Jan 8, 2017

I don't think this problem was posted yet , my father drove the truck today and everything was fine, upon stoping and putting in park and going into the house for 20-30 minutes, when he came out to drive the truck, a message came up and said 4wd service and the light in the bottem left corner of the gauge cluster Sayed on. Tried shifting the T-Case in neutral and now it won't go into gear at all and will not move. Anyone have this problem yet? Already tried the steps in the manual and no luck.

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bhonshell37 · Jan 8, 2017

Have you looked under the truck at the transfer case to make sure the linkage is intact?

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ctdlaramie15 · Jan 8, 2017

bhonshell37 said:
Have you looked under the truck at the transfer case to make sure the linkage is intact?

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Yes I did, everything looks okay

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bhonshell37 · Jan 8, 2017

The transmission will shift right? All the fuses and relays are good?

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ctdlaramie15 · Jan 8, 2017

The transmission will shift through PRND but won't engage any gears and when placing back in park, P blinks and the cluster says speed to high to complete shift

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clh1220 · Jan 8, 2017

You could disconnect the battery. And try it.

ctdlaramie15 · Jan 8, 2017

clh1220 said:
You could disconnect the battery. And try it.

Disconnect it about 10 mins ago , how long is good you recon?

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6.7CumminsDrvr · Jan 8, 2017

If that doesn't work, check your manual regarding shifting the tcase into neutral, IIRC there is a specific sequence.

I'm gonna see if I can find it

ctdlaramie15 · Jan 8, 2017

6.7CumminsDrvr said:
If that doesn't work, check your manual regarding shifting the tcase into neutral, IIRC there is a specific sequence.

I'm gonna see if I can find it

Found it in my book, followed the steps exactly as listed and no go,

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6.7CumminsDrvr · Jan 8, 2017

Sorry buddy. Just spitballing but maybe you could try using to neutral override process for the tranny.............not sure what would happen but might work to "jog" everything if something quirky is "hanging" everything up.

I'm sure while reading thru the manual you came across the section detailing pulling the strap

ctdlaramie15 · Jan 8, 2017

6.7CumminsDrvr said:
Sorry buddy. Just spitballing but maybe you could try using to neutral override process for the tranny.............not sure what would happen but might work to "jog" everything if something quirky is "hanging" everything up.

I'm sure while reading thru the manual you came across the section detailing pulling the strap

Yea I did man no luck tried pretty much everything, know how to reset service 4wd light or does it have to be flashed?

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freefallin · Jan 8, 2017

Is it actually in neutral; will the truck itself move?

ctdlaramie15 · Jan 8, 2017

freefallin said:
Is it actually in neutral; will the truck itself move?

The T-case is in neutral not the gear selector and yes even in park reverse neutral and drive it will roll

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6.7CumminsDrvr · Jan 8, 2017

ctdlaramie15 said:
Yea I did man no luck tried pretty much everything, know how to reset service 4wd light or does it have to be flashed?

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Well, if the battery reset didn't work you could try a programmer (I think you can still use the code reader function but not sure). If none of that works you might be "up the creek"

Some codes are "hard" codes so a trip to the dealer may be enivitable.

ctdlaramie15 · Jan 8, 2017

6.7CumminsDrvr said:
Well, if the battery reset didn't work you could try a programmer (I think you can still use the code reader function but not sure). If none of that works you might be "up the creek"

Some codes are "hard" codes so a trip to the dealer may be enivitable.

Think that's whats going to have to happen...

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6.7CumminsDrvr · Jan 8, 2017

Hate it for ya man. Maybe someone else will chime in and save the day

ctdlaramie15 · Jan 8, 2017

6.7CumminsDrvr said:
Hate it for ya man. Maybe someone else will chime in and save the day

Alright buddy thanks for the help!

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6.7CumminsDrvr · Jan 8, 2017

One last idea..........maybe try disconnecting the electrical harness on the tcase? Should be on the driver side from what I've seen.

ctdlaramie15 · Jan 8, 2017

6.7CumminsDrvr said:
One last idea..........maybe try disconnecting the electrical harness on the tcase? Should be on the driver side from what I've seen.

Haha tried that as well, looked like it might of been a glimmer of hope but it popped back in neutral again, should I try it while the key is in on position

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6.7CumminsDrvr · Jan 8, 2017

Well damn..........I would think to try it while the key is off. Did you leave it unplugged and then try shifting?

Sounds like you've tried about everything I would have........

2016 1500 EcoDiesel 8 Speed Transmission T-Case stuck in neutral

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