Скачать или смотреть How To Fix P0045 Code | Turbo Boost Control Circuit Open - Diagnosis And Repair

A P0045 diagnostic trouble code indicates an open circuit in the turbocharger or supercharger boost control system, meaning the engine computer has lost connection with the control solenoid. This lack of communication can lead to zero boost or dangerous overboost conditions that might damage your engine. This guide breaks down the diagnosis for vehicles equipped with Variable Geometry Turbochargers or standard wastegates. We cover the common symptoms like severe power loss and the check engine light. You get a step-by-step approach to inspecting the boost control solenoid and its wiring for physical breaks or loose connections. We also explain how to use a bidirectional scan tool to toggle the solenoid on and off to verify function. If the solenoid fails to click or change engine RPMs during the test, we show you how to check for power and ground at the plug to confirm if the part is dead or if there is a wiring issue deeper in the harness.

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