Light problem

[a1rstr1k3]

when i turn on my yukon and the light that tells in what gear im at is off

P R N D 3 2 1


i have to tap it a bit and sometimes bang it hard

some1 know what might be the problem? maybe something loose inside or what?

 

[HMFDZ28]

Sounds like the socket is loose.. or could be the bulb itself