I just put in a used AM/FM/6 Disc CD player as when it get cold out the radio turns on but no audio until the dash get warm, can't get a code so I replaced the original one.
This one is the same unit, just had the local dealer unlock it and the radio plays okay. The CD player accepts the CD's but all that happens is that is says "Initializing" and won't play just keeps says this. Did I get taken over the coals or is there some way to program this or is it back to the dealer?
2005 Chevy 3500 dually 4x4 is the vehicle in question

 

I wouldn't take it back to the dealer. Because it is a used deck, the dealership has done their job.
And because the deck is working in every other way it is obviously an issue in the CD portion of the unit.

I would find a electronics repair shop the also works on automotive audio electronic. Or find another deck and bench test it before you install it.

 

thanks

 

Yeah I'm thinking that the CD portion of the deck is messensed up .. you can try one of those lens cleaners, but I doubt it will do much if anything.

You're probably just gonna need a new deck.