SVU 4 wheel drive light comes on on 2004 Dodge Durango

SVU 4 wheel drive light came on.
Then 4 wheel drive LO light came on and
went into that gear and locked.
What would the problem be? Electrical?

Asked by for the 2004 Dodge Durango
There is likely a fault stored and it needs to be checked and a diagnosis performed to know what is going on here.
1 more answer
I am having same problem. The dealer checked and said the computer was not they could not diagnose it. They stated could be switch for 4 wheel lock, module or loose wire...
I hope you find the answer.