Truck Forums - Service 4wd message

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scott_z71

May 1, 2013 08:15 AM

Service 4wd message

I just started getting a message saying service 4wd on my 2006 Z71. Truck has 196,000 miles on it. What do I need to do?

In2Trux

May 1, 2013 08:32 AM

It is your electric actuator on the transfer case.

My 07.5 Silverado did the same. I unplugged the wiring harness to the actuator and sprayed it with some electrical contact conditioner. All good now

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