2023年7月3日 · The P2401 code is a diagnostic trouble code (DTC) that indicates a problem with the evaporative emissions system. Specifically, it means that there is a malfunction in the system that controls the fuel tank pressure sensor.

2024年3月26日 · The ECM illuminates the MIL and stores a Diagnostic Trouble Code (DTC) if this malfunction is detected in consecutive drive cycles. The Canister Pump Module is attached to the EVAP Canister and contains the Canister Pressure Sensor, the Leak Detection Pump, and the Vent Valve. P2401 Code - Evaporative Emission Leak Detection Pump Stuck OFF

The P2401 automobile fault code indicates a problem with the Canister Pump Module, which can cause the Engine Light to turn on. The possible causes of this issue include a faulty Canister Pump Module, an open or shorted Canister Pump Module harness, poor electrical connection in the Canister Pump Module circuit, or a faulty Engine Control ...

2024年5月28日 · 在OBD系统的故障代码中， P2401<!--是一个常见的标识符，适用于所有汽车制造商的车型。 它揭示了燃油蒸发排放系统检漏泵控制电路的故障信息。

2025年2月4日 · The P2401 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the evaporative emission control system, specifically related to the leak detection pump control circuit. When this code is triggered, it means that the powertrain control module (PCM) has detected that the leak detection pump is not activating as expected.

The P2401 code stands for “Evaporative Emission System Leak Detection Pump Control Circuit Low.” It’s set when the PCM detects the leak detection pump isn’t activating when requested. A failing leak detection pump, leaking vapor lines, and faulty wiring are some of the issues that could trigger the code.

2025年1月3日 · What does a P2401 code mean? P2401 indicates a problem with the Evaporative Emission System Leak Detection Pump Control Circuit Low. Can I drive my car with a P2401 code? Yes, but it may prevent your vehicle from passing emissions tests. How serious is …

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2020年5月11日 · Poor electrical connection of vacuum pump module circuit. Faulty Engine Control Module (ECM) How to Fix Code P2401 Check the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins. P2401 Symptoms of the ...

2024年3月26日 · Code P2401 Description 5 hours after the ignition switch is turned off, the leak detection pump creates negative pressure (vacuum) in the Evaporative Emission (EVAP) …