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can't get my vehicle out of 2wd

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New User

Feb 11, 2014, 8:22 PM

Post #1 of 4 (1000 views)
can't get my vehicle out of 2wd Sign In

I have a 2ooo Chevy Blazer LT. I recently tried to place it into 4wd hi 4wd lo and 4wd auto and the light just blinks and then goes back into 2wd. Im not a car person by any means but don't have the now how or money to put alot of money into an expensive fix. If there is anyone that can help me out with this problem i would greatly appreciate it Wink

Ultimate Carjunky / Moderator
Discretesignals profile image

Feb 11, 2014, 9:13 PM

Post #2 of 4 (987 views)
Re: can't get my vehicle out of 2wd Sign In

Hate to say this, but someone with a enhanced scan tool that can access the transfer case control module needs to look at the data stream. They need to monitor data stream information and look for anything that isn't right. That will give direction where to look for the problem. Without datastream info it makes it hard to see what the inputs and output states of various sensors and actuators are, so you can develop a strategy to diagnose it.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Feb 11, 2014, 9:14 PM)

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Feb 12, 2014, 3:49 AM

Post #3 of 4 (965 views)
Re: can't get my vehicle out of 2wd Sign In

Till more and better diagnosis is available as DS has suggested at least make sure wire connectors are staying plugged in underside for now if nothing else, T

New User

Feb 12, 2014, 7:36 AM

Post #4 of 4 (946 views)
Re: can't get my vehicle out of 2wd Sign In

Ok thank you for your help and time. I'm taking it to the shop today for other things and hope the guy can look and see if he can figure out what's wrong. If not, not sure what to do

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