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"Service 4WD" message ...what gives?

Jeepwalker

Well-Known Member
Messages
980
Location
WI
Got this message this morning in the driveway for first time. I shut the vehicle off and restarted, message didn't come back.

I hit the button for 4 high lock and heard (felt) the xfer motor engage, although I didn't drive it, just moved forward a few feet ...then I disengaged 4 lock. Drove 10 miles it didn't come on. But wife reported it later came on during her work commute.

What seems to be the common source of issues/fix? I read the dash button can be partially engaged/stuck (not in my case) ...maybe the xfer case switch?? Can the contacts be cleaned? I did not run any codes yet.
 
Last edited:

amrg

Well-Known Member
Messages
2,317
Location
Qatar
Sometimes I would do a undercarriage wash and this msg comes up for once. No clue why!
If I hit water crossings nothing! I just ignore it!

Sent from my SM-G960F using Tapatalk
 
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