How to solve Audi fault code p 1568?

P 1568: Idle speed control, mechanical failure of throttle position.

This fault may affect the engine power output and acceleration performance, please contact the professional service station as soon as possible. ?

Why?

1. Check the throttle plug and related lines.

2. Check the throttle components.

3. Clean the throttle and reset it.

4. Check the engine control unit. (The suggestions are for reference only, please refer to the actual vehicle working conditions. )