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P2401 TOYOTA

P2401 TOYOTA - EVAP System Leak Detection Pump Control Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P2401 TOYOTA Possible Causes

  • Faulty Vacuum Pump Module
  • Vacuum Pump Module harness is open or shorted
  • Vacuum Pump Module circuit poor electrical connection.
  • Faulty Engine Control Module (ECM)

First diagnose P2401 TOYOTA code

    Check 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 terminals.

P2401 TOYOTA Tech Notes

There is a factory service bulletin for the following Toyota models:

2005–2006 Toyota Corolla
2005–2006 Toyota Matrix
Toyota Corolla, Matrix Factory Service Bulletin OBDII Code P2401

2006–2009 Toyota RAV4
Toyota RAV4 Factory Service Bulletin OBDII Code P2401

Service bulletin recommends replacing the EVAP Charcoal Canister Assembly to repair the problem.





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Cost of diagnosing the P2401 TOYOTA code

    Labor: 1.0

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

When is the P2401 TOYOTA 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.

P2401 TOYOTA Possible Symptoms

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

P2401 Toyota Description

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.
OBDII Code P2401 Toyota - EVAP System Leak Detection Pump Control Circuit Low - AutoCodes.com

P2401 TOYOTA More Information

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P2401 TOYOTA Comments

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