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I've seen the Service 4wd message come up occasionally. The truck won't go into 4wd while the message is displaying. The truck goes into 4wd fine afterwards. I've read a little an am encouraged that often the light shows up often from lack of use. I'm now engaging the 4wd more often just in case it's a lack of use issue. I just purchased the truck and first saw the message 3 days ago. I'm planning on 4wheeling on the hatteras beach in a month.
I'd be fixing things like,swapping out the lift gate assembly, checking relays & dropping in brakes
Could it be simple or should I go with the "replace back lift gate assembly? for my entire paycheck? -I'm feeling that I'm being taken to the cleaners prematurely. How can I know if its just the actuator or something simple?
This warning shows up 30% of the time while I am driving. I'll pay attention to who's in the front seat. Just bought my dream truck and I'm fixing the 4 things that need to be done. -Mac
Just bought my 2006 and I'm busy checking off the list of items to be serviced. I do not have the nav disc yet for the Suburban Z-71. I'm hoping that there is either a switch or that they are linked.