GM TSB 15304

[galliher_nc]

I've been reading several places there is a software update for the transfer case that has also helped with the terrible shifting transmission at low speeds. Can anyone who has had the TSB performed confirm or deny? Thanks.

[GMC-AT]

http://www.gm-trucks.com/forums/topic/177950-and-update-for-the-better-clunk-be-gone/

[Tattooo]

There's another long thread on here....check it out

[galliher_nc]

There's another long thread on here....check it out

 

http://www.gm-trucks.com/forums/topic/177950-and-update-for-the-better-clunk-be-gone/

Much obliged fella's. I searched for the TSB # and didn't find anything.

[Tattooo]

No problem brother