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4wd not working even with new switch

silverado z71 4wd

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3 replies to this topic

#1 VGMC

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  • Name:Tyler Dragan
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  • Drives:2006 Silverado 1500 Z71 Crew

Posted 11 January 2017 - 12:13 PM

Its says service 4wd on my dash and the switch is not working so i bought a new one. but that did not work, the switch doesnt even light up at all and when i press the buttons nothing happens it is currently stuck in 2wd any help?



#2 kstruckcountry

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Posted 11 January 2017 - 12:20 PM

If there's service 4x4 there's a code, it needs to be scanned and diagnosed.

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2006 Silverado / 5.3 / G80+3.73 / Magnaflow 22" / "SUV" pipe / AirAid MIT & AFE ProDry S filter / BBP Tune / Edge Insight

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#3 Graycharles88

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Posted 13 January 2017 - 12:14 AM

Get it scanned. Much easier than throwing parts at it like I did. And ended up changing switch, tccm,and the encoder motor, just to find out it was my transfer.

#4 osteo16

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Posted 26 January 2017 - 10:29 PM

Check all your fuses.. Mine was encoder motor.. Few bucks and a few minutes to swap it out.. Hope that's all the problem you have.. My dealer couldn't figure it out. Sominrellaced encoder motor after doing a bunch of online searching.. Bingo..





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