d_THRILL

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Anyone have issues switching into 4wd? Today is the first day since buying the truck the opportunity presented itself with snow coming down here in the northeast. However, 4wd would not engage for me.

While driving I tried switching into Auto 4WD. After blinking for a few seconds it would fail to engage telling me to retry. Of course, the retry failed also. Same thing with 4WD High. Pulled into a parking lot and tried again multiple times, this time trying to engage while in Park, Neutral, and Drive. Could not get it to work any of which way. The truck eventually displayed “Service 4WD.” I shut the truck off and went into Home Depot for a bit. Came back out, service message gone, reattempted engaging Auto 4WD and 4WD High going through all the same steps above. Could not get it to work and received a service 4WD message again.

Obviously not happy. I left a message with my salesman. Slid the whole way home. *** end would kick out on start. This truck sucks in 2wd in the snow.
 

Bram2019

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Try driving the vehicle about 10mph, let you foot off throttle and see if it engages into 4wd. If not, off to dealer.
 

Scott082

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This happened to me when I bought mine in September, while in park try cycling it starting with 4low, 4high, 4auto, then back to 2, for some reason that worked for mine, haven’t had a problem since ‍♂
 

Zeus1026

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Hello all... just bought a 2019 1500 Laramie four days ago. Went to engage the 4wd yesterday and it wouldn’t kick in. After several tries, the “service 4wd” indicator came on. Frustrated, I did some searching and came across this thread.

Went out this morning, the inicator was off, so I tried the method of cycling through starting with 4lo. At first nothing happened when I had it in park, I switched it to neutral, and then everything kicked in. Now it cycles through when driving.

Thanks for all the help!!
 

ExcursionDiesel

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Happy to report Scotto82’s suggestion worked. Thank you, good sir. Engaged 4 Low first, then 4 High, then Auto 4WD. Working without a problem now. Hopefully it never happens again.
Glad it started working. I've had this issue on previous 4X4's. I have a belief that transfer cases get "sticky" when not used often. I engage mine to all modes at least once a week just to keep things moving and lubricated.
 

RJ4ever

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This happened to me when I bought mine in September, while in park try cycling it starting with 4low, 4high, 4auto, then back to 2, for some reason that worked for mine, haven’t had a problem since ‍♂
Thanks Scott082, new truck no 4 w drive. Just happened to me, snow storm no 4w drive, parked the truck down the hill. I walked home read this forum and tried it, it was perfect right up that snow covered ice driveway. To All, thanks for posting.
 

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