I bought this one of these off amazon and have been very pleased. It links to the app on my T9 and i can diagnose and reset codes. i can also use it with Carista to customize my 4runner. Ive used it on a 16 mustang, 2010 nissan frontier, 2010, 2015 and 2019 4runners.
Amazon.com: OBDLink MX+ OBD2...