Transfer case encoder motor help

[Paul Cords]

New transmission and transfer case installed.  Original encoder motor reused.  Went thru the re-learn process and all good until the truck gets shut off.  

It loses the connection and have to re-learn again.  Has happened several times.  any help appreciated.

[hiking_mike]

I have had several issues wiht the Transfer Case Encoder.

1. Check the Ground by the drivers side front door cab-frame mount.

2. Try pulling the fuse, the pink fuse for the transfer case, turn truck on, then back off, insert fuse and then do relearn.

     A. You should hear the encoder motor activate when doing the relearn. I have noticed you have to hold the selector dial            for up to 45 seconds.

3. I took my other Duramax to a Dealer and they found some chaffing in some wires to the encoder and repaired them.

4. I haver talked to others and they have said if you ever get a windshiled repalced, sometimes water will leak down and          mess up the Transfer Case Control Module.