What is the check engine code p0240 for a 2004 Chevrolet Blazer?

The check engine code P0240 for a 2004 Chevrolet Blazer indicates an issue with the turbocharger boost sensor circuit. This code typically points to a problem in the sensor itself, the wiring, or the connectors associated with the sensor. It may also indicate a malfunction in the turbocharger system if the vehicle is equipped with one. Diagnosing the specific cause usually requires inspecting the sensor and its connections for damage or faults.