Engine-Codes - Toyota - P2401 2005 TOYOTA PRIUS

P2401 2005 TOYOTA PRIUS Code - EVAP System Leak Detection Pump Control Circuit Low

- Code Popularity: 2,113 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P2401 2005 TOYOTA PRIUS Code?

  • Faulty Vacuum Pump Module
  • Vacuum Pump Module harness is open or shorted
  • Vacuum Pump Module circuit poor electrical connection
  • EVAP system hose (clogged, cracked or broken)
  • Faulty Engine Control Module (ECM)

|How to Fix the P2401 2005 TOYOTA PRIUS Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P2401 2005 TOYOTA PRIUS code?

Labor: 1.0

The cost to diagnose the P2401 2005 TOYOTA PRIUS code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|When is the P2401 2005 TOYOTA PRIUS code detected?

To determine leak criterion (Reference pressure), vacuum pump creates negative pressure in canister pump module through 0.02 inch orifice and pressure is measured. If the conditions are not met, Engine Control Module (ECM) the code will be set.

|What are P2401 2005 TOYOTA PRIUS code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P2401 2005 TOYOTA PRIUS Code Mean?

5 hours after the ignition switch is turned OFF, the electric vacuum pump creates negative pressure (vacuum) in the EVAP (Evaporative Emission) system. The Engine Control Module (ECM) monitors for leaks and actuator malfunctions based on the EVAP pressure.

EVAP System Leak Detection Pump Control Circuit Low

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