Hello guys I have a 2004 silverado z71 4x4/130,000 miles.I got nothing in drive but I can hand shift thru the gears manually had the encoder motor replaced still same issue,new dash switch same problem.I took my truck home and parked it.I have spent 600$ on nothing,the mechanic said he could do a rebuild for 1600 he said sungear was gone well I dont trust what he say,also I never had any codes.please help

 

Do you have reverse?

Allan