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2005 GMC Sierra 1500 Question: it about the 4 wheel drive system

 

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kinkiller54, 5.3L V8, Bruceton Mills, WV, January 05, 2014, 14:10
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i have a GMC sierra 1500 I've change the switch twice an change the actuator three time an am still getting the service 4wd message i check online to find the answer an it's the the same thing change the actuator

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    G. T. Service Center (3158 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG January 05, 2014, 14:36
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     Master

    It really needs to scanned to read the transfer case module to find the real problem, could be just a software update.

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