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It could be several things, from your switch to your encoder motor. The first thing I would try is to disconnect your negative battery terminal for 30 minutes to reset the TCCM. If that doesn't work, listen for the clicks from the TCCM when you push the buttons to the 4WD. If you don't hear the clicks, you might have a problem with the TCCM. If you do hear the clicks, it could be the vacuum lines or the encoder motor on the transaxle. You can get an encoder motor online for around $140 to $160
What else can I help you with?
How do you remove the cover to a 2001 Chevy Blazer Steering wheel column?
How to Remove the Steering wheel From a Chevy Blazer 2001
What is the mpg on a 2001 Chevy blazer 4 wheel drive?
We get 21-23 mpg highway and 17- 18 mixed on our 2000 Chevy Blazer 4.3, 4X4.
What size socket is needed the front axle nut on an s 10 blazer 2001 four wheel drive?
36mm
How do you get a 2000 ford explorer XLT out of fwd if it is stuck?
I have a 4 wheel drive Chevy Blazer 2001 that got stuck in 4 wheel drive, the only way I got it out was to put it into neutral and switch the 4 wheel drive button. It worked!!
How do you shift ram dodge 2001 into 4 wheel drive?
Grab lever, pul into 4wd position.
Why is the service 4 wheel drive light come on in the 2001 ZR2 Blazer when driving some times?
because it needs serviced.
How do you fix a 2001 chevy blazer v6 2 wheel drive misfire on cylinder one?
get a new 1 eg a holden
How many bolts are there in the transmission bell housing in an automatic v6 2001 Chevy blazer rear wheel drive?
should be 6 or 8
Is the 2001 BMW M5 front wheel drive rear wheel drive or four wheel drive?
The 2001 BMW M5 has rear wheel drive.
Is the 2001 Acura TL front wheel drive rear wheel drive or four wheel drive?
The 2001 Acura TL has front wheel drive.
Is the 2001 Audi A6 front wheel drive rear wheel drive or four wheel drive?
The 2001 Audi A6 has front wheel drive.
Is the 2001 Ford Expedition front wheel drive rear wheel drive or four wheel drive?
The 2001 Ford Expedition has rear wheel drive.
