4WD shift light comes on while driving

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EpicWagon
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4WD shift light comes on while driving

Post by EpicWagon » Sun Dec 09, 2018 7:17 pm

I've noticed the 4WD shifting in progress light on coming on lately, usually when i'm just starting off, under 15mph or so.. might have happened at higher speed.

whats going on

thanks

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Re: 4WD shift light comes on while driving

Post by Colibri » Sun Dec 09, 2018 8:03 pm

Likely transfer case position sensor
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Retired BLM Rig
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Re: 4WD shift light comes on while driving

Post by Retired BLM Rig » Sun Dec 09, 2018 8:11 pm

The OP on this thread said his was resolved by replacing the transfer case position sensor.

I have an extra one that I purchased for testing purposes listed in the classified section, if you're interested and don't have a warranty.
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Re: 4WD shift light comes on while driving

Post by TankerZak » Sun Dec 09, 2018 9:36 pm

I had this issue once or twice. I threw it in 4w and back out. Never happened again.

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Reloaderguy
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Re: 4WD shift light comes on while driving

Post by Reloaderguy » Sun Dec 09, 2018 10:54 pm

A 2Lo kit will eliminate it too.

EpicWagon
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Re: 4WD shift light comes on while driving

Post by EpicWagon » Mon Dec 10, 2018 5:03 pm

it happened again today at 50 mph... i put it in 4w for a bit, ill i see if it still does it. I have three recalls that need to be done, maybe dealer will step up. only 21k on truck

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Re: 4WD shift light comes on while driving

Post by EpicWagon » Mon Dec 10, 2018 5:03 pm

hey, thanks for response

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Re: 4WD shift light comes on while driving

Post by EpicWagon » Thu Dec 13, 2018 6:53 pm

I put it in 4WD a few times over the last two days, don't think Ive seen the light come on , so far

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Re: 4WD shift light comes on while driving

Post by jhorn » Fri Mar 29, 2019 3:07 am

I have been having the "4wd shift in progress" light come on randomly in my 2018 power wagon. Has anybody found a long term resolution for this, my dealer is horrible at best and I don't want to leave my truck for (2)weeks to hear them say there is nothing wrong given the randomness?

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Re: 4WD shift light comes on while driving

Post by OffroadTreks » Fri Mar 29, 2019 9:56 am

This has only happened once to me, and like Zak, I found the shifter wasn't fully in position. Probably bumped. Slapping it into 4hi and then back out, never came back on again.

I suggest you new guys just switch through and back out and see if it happens again anymore.
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Re: 4WD shift light comes on while driving

Post by jhorn » Thu Apr 04, 2019 2:19 am

when I first noticed the indicator message the first thing I did was check the transfer case position, then I moved it to 4hi waiting for the 4wd lock then moved back to 2hi. a couple minutes later message came back up. moving the transfer case selector takes some effort so I cant see how rough city roads could make it jump.

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Re: 4WD shift light comes on while driving

Post by SeppW » Wed Apr 17, 2019 5:55 pm

I have this issue. Kept taking to dealer, they kept updating/reflash SW, tried shifting into and out of 4 Hi and Lo, it finally stopped for a few months. Came back from trip and it stated again. I give up. Maybe replace a sensor or 2 and see what happens when I have the time.

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waldo
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Re: 4WD shift light comes on while driving

Post by waldo » Mon Jul 29, 2019 7:37 am

My 16 did it going 70 mph down the freeway and other random times.

Don't let them give you the "no code, can't reproduce" thing and tell them to just change out the TCPS.

The switch is a common problem.
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Reloaderguy
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Re: 4WD shift light comes on while driving

Post by Reloaderguy » Mon Jul 29, 2019 9:52 am

waldo wrote:
Mon Jul 29, 2019 7:37 am
My 16 did it going 70 mph down the freeway and other random times.

Don't let them give you the "no code, can't reproduce" thing and tell them to just change out the TCPS.

The switch is a common problem.
Do you have a part number?

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Re: 4WD shift light comes on while driving

Post by waldo » Mon Jul 29, 2019 9:12 pm

Reloaderguy wrote:
Mon Jul 29, 2019 9:52 am
waldo wrote:
Mon Jul 29, 2019 7:37 am
My 16 did it going 70 mph down the freeway and other random times.

Don't let them give you the "no code, can't reproduce" thing and tell them to just change out the TCPS.

The switch is a common problem.
Do you have a part number?
Not offhand. I took all of the service papers out when I traded the truck in Va and left them at my place in WV. I'll look when I get back there and see if I can find a part #.
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