Question

How do you repair the engine code P2103 for my 2005 Toyota Tundra?

Answer 1

P2103 Throttle actuator control motor circuit high

When it comes to P2103 this is more of the throttle body motor that fails, either the connector is not making proper contact, or the throttle motor is internally open, the only resolve if the harness is intake is the replacement of the throttle body.

Answer 2

P2103 Toyota Code - Throttle Actuator Control Motor Circuit High
Read more: https://www.autocodes.com/p2103_toyota.html