Having problems with your 2004 Chevrolet TrailBlazer ?

2003 Trailblazer Transfer Case Control Module.

\015 My 4 wheel drive is out and a transmission shop said my TCCM is dead. Where is it located and is this a dealer item only? I currently am not working and income is limited. Can I get a used item and install myself? The shop quoted $373.00 to install and $125.00 for a dealer to set. Is this reasonable?\015 Posted / edited by AnonymousUser on : 19-02-2018

Answers :

The t case control module is inside the vehical driver side its like a small computer that comunicates from the manual switch to the motor that engages 4wd thats on the t case. buy it install it and you have to get it reprogramed part is about 200-299 depends on where you shop and a reprogram is about 80 at a dealer
It is located on the top of the trnsfer case, it has a plug going into it, just go buy the new one, at autozone, will be much cheaper, use a 18MM wrench and turn the sensor out and put the new one in.
\015\012Hint, it is the one top dead center of the transmission.
Repair Help & Product Troubleshooting for 2004 Chevrolet TrailBlazer

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