2003 suburban transmission problems
#1
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For about the past year off and on our service 4wd would come on. There would be times when you started the car it would be in 4wd without pushing the button. Today it was in 4wd, then when pushed to 2wd it went to neutral. It took awhile but finally got it back to 2wd. Do I start by replacing the encoder motor? Any and all help is appreciated. Thanks