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Author Topic: Service 4WD  (Read 148 times)

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mzootie

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Service 4WD
« on: 05/07/18 03:48 PM »

New to the forum. I been reading about the service 4WD error message in the DIC and determined it was the sensor in the transfer case position sensor which I replaced. I did test the switch in the dash first using a dandy youtube video explaining the ohm reading per the switch selection and all the readings were in ohm range. I was excited to finally not have the error message but after the sensor replacement the error came back almost immediately. Question I have is I think it only can be 2 things. Either I have to replace the whole sensor motor unit or possibly the switch is still no good, maybe I didn't test it right? Anyone have any ideas? Important to note that I have no issues with driving it slipping out of 2WD but occasionally I have trouble getting it into 4WD
« Last Edit: 05/07/18 03:51 PM by mzootie »
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dna9656

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Re: Service 4WD
« Reply #1 on: 06/21/18 04:58 PM »

I replaced my switch, still get the msg. Removed and looked over the servo that does the work to go from 4 X 2 to 4 x 4 (I don't care what GM called it; it's a servo not a controller) and it looks /works fine. There is a brain box behind the pass. kick pnl that is the brain box for this thing. I can't learn any thing about it except it's cost  (for me) a lot of money. My tranny guy read for drive line codes and it showed no codes stored.
« Last Edit: 06/21/18 07:23 PM by dna9656 »
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2006 Chevy Avalanche, 2007 Chrysler Sebring,
7 motorcycles 6 Yamaha Venture Royales 1 Road Star, 2 run, others for parts. 2 Dashounds, 1 house. 1 wife.
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