My 4x4 is stuck in 4lo, replaced everything , what should I do next?
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1999 GMC Sierra 1500 Question: I have replaced everything except my transfer case and my 4x4 will not shift.
Answer #1Tbone1980 September 12, 2013, 17:41Journeyman
check the control module for the tranfer case, fuses and or relays
Replyhalfpintnmt, September 12, 2013, 17:43Rookie
Module is new fuses are good. Where is the relay?
ReplyTbone1980, September 12, 2013, 18:07Journeyman
where the actuators replaced, also known for faulty switch
Replyhalfpintnmt, September 13, 2013, 17:01Rookie
Yes everything is new
Answer #2pushrod September 12, 2013, 20:11Master
What does a professional scanner say about this problem? Any codes for the transfer case?? It could actually be a mechanical malfunction inside of the case!