2004 Chevrolet Silverado 1500 Q&A

2004 Chevrolet Silverado 1500 Question: i replace my 4wd module

I can't get it to work -
Answer 1
BEFORE you replaced the module , did you perform any tests to make sure it is/was getting the proper control signal? -
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The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will ...