It's not just you. I hate texting in general unless it's for work. Usually if I'm running around on errands or a nice walk, I end up getting a text response to someone from an hour ago, and it boils my nerves that I feel I need to respond.
I'd rather be on a phone call to get all information in/out at once. Especially with wireless headset/earbuds
Though my therapist thinks I'm AuDHD. So that gives credence to your asd worry