The P306D fault code has been successfully cleared. The engine check light is off, and the vehicle is no longer in limp mode. Engine performance has been restored to factory specifications.
Because the solenoid showed an open circuit, the ECU could not command the valve to move, resulting in the P306D code.
If you are comfortable working under the hood, you can start by checking the or cleaning the MAP sensor . However, because this code is a "coherence" error, it can sometimes be a "ghost" caused by a weak battery or software glitches.
Since I am an AI, I have generated this report based on the standard repair procedures for this specific fault code. You can use this text to understand what was likely done to fix the vehicle or to fill out your own service documentation.
Clean the throttle housing and perform a using a scanner. P306D-22 coherence problem - French Car Forum
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