Latest ECM Flash?

[CYauch]

Taking truck to dealer for the dreaded P2262 code to see if they have what they need to do the job, or if they have to order everything. I'm also wanting them to check and make sure all the latest flashes applied. Can anyone tell me what they are / should be, or where I can go to look? How would i know they are applied to the truck? I see stickers when i open the hood, but they are on top of each other. Looks like the latest date is 3/28/2008, but they obviously didn't use a Sharpie so its unreadable as to what it was applied to. I can make out PCM, but the rest is unreadable. Thanks.