Very curious patchiness!  You have not said what grass type you had sodded.   This matters, as different pathogens attack different grasses.  This problem could be as simple as lack of water, but I assume you are watering a couple of times a day in this hot, dry weather.  And the patchiness is suspicious.  There is a fungal disease of Bermuda and some other warm season grasses, Ophiosphaerella, which typically manifests itself in spring, https://hgic.clemson.edu/factsheet/spring-dead-spot/. Its symptoms look much like the pic you sent.  See the images in the NCSU link below.  Read more at   https://hgic.clemson.edu/factsheet/spring-dead-spot/#:~:text=Spring%20dead%20spot%20is%20a,completely%20rotting%20these%20plant%20parts.

https://www.turffiles.ncsu.edu/diseases-in-turf/spring-dead-spot-in-turf/

Learn more at https://blogs.ifas.ufl.edu/okaloosaco/2015/09/16/why-is-my-grass-dying-again/.

I suggest you collect and bring a sample to the Turf Diagnostics Lab at NCSU,  https://turfpathology.ces.ncsu.edu/diagnostic-lab/.  Create an account at https://plantclinic.ces.ncsu.edu/#,  fill in the online submission form, be sure to include photos.  (See the turfpath link for directions on taking photos.) Then bring a copy of it and your sample to the lab.  There is a $30 fee.  They MAY be able to diagnose from pics.  This option is free.