Chosen Solution

All keys work except the row of keys for D to L If I use an external (blue tooth) keyboard then everything works. I can use the computer but it is awkward. My thought is it might be an open wire from the keyboard to the keyboard decoder chip or a defective chip.

Sounds like your keyboard has a short. Here’s how to replace it: MacBook Pro 13" Retina Display Late 2013 Keyboard Replacement