2012 tundra P0705 code

I'm new to the group and in need of your guys help just bought a new to me 2012 tundra 5.7 had it now for about a month was doing some mantince on it yesterday transfer case,front and rear diff and atf fluid change when I finished started up the truck 4low flashing, engine light on and traction control light all on I took it on a short drive work/shifted fine shut it off lights all went off, never thought much of it and when I started up the truck again today all the light are back on put my reader on it only code I get is PO705, again truck works fine with or without the lights on the dash. What gives? Did I mess something up??

 

Welcome and greetings from Minnesota. You may want to repost your question in the “Ask a Toyota mechanic” thread. They are very knowledgeable and may not monitor the new member section.

 

Welcome

 

Welcome from LA (Lower Alabama)!