AutoCodes – Scion – P2401 2005 Scion xB

P2401 2005 Scion xB Code - Evaporative Emission Leak Detection Pump Stuck OFF

Quick Answer

5 hours after the ignition switch is turned OFF, the electric vacuum pump creates negative pressure (vacuum) in the EVAP (Evaporative Emission) system. Common causes include Faulty Vacuum Pump Module, Vacuum Pump Module harness is open or shorted, Vacuum Pump Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P2401 2005 Scion xB indicates Evaporative Emission Leak Detection Pump Stuck OFF.
Common causes: Common causes include Faulty Vacuum Pump Module, Vacuum Pump Module harness is open or shorted, Vacuum Pump Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,301

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P2401 2005 Scion xB 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 2005 Scion xB - Evaporative Emission Leak Detection Pump Stuck OFF - AutoCodes.com — P2401 2005 Scion xB Code - Evaporative Emission Leak Detection Pump Stuck OFF

What does this mean?

What are the Possible Causes of the DTC P2401 2005 Scion xB?

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

How to Fix the DTC P2401 2005 Scion xB?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2401 2005 Scion xB code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P2401 2005 Scion xB code?

Need more information on how to fix the P2401 2005 Scion xB code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2401 2005 Scion xB code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2401 2005 Scion xB Code

1. What does OBDII code P2401 mean for a 2005 Scion xB?

OBDII code P2401 for a 2005 Scion xB indicates a problem with the Evaporative Emission Leak Detection Pump being stuck OFF.

2. What are the common symptoms of OBDII code P2401 in a 2005 Scion xB?

Common symptoms of OBDII code P2401 in a 2005 Scion xB may include the check engine light illuminating on the dashboard and potential issues with the vehicle's emissions system.

3. What are the possible causes of OBDII code P2401 in a 2005 Scion xB?

Possible causes of OBDII code P2401 in a 2005 Scion xB include a faulty Evaporative Emission Leak Detection Pump, a disconnected or damaged hose, or an issue with the pump's electrical circuit.

4. How can I diagnose OBDII code P2401 in a 2005 Scion xB?

Diagnosing OBDII code P2401 in a 2005 Scion xB involves using an OBDII scanner to retrieve the code, inspecting the Evaporative Emission Leak Detection Pump and related components for any visible damage, and testing the pump's functionality.

5. How can I repair OBDII code P2401 in a 2005 Scion xB?

Repairing OBDII code P2401 in a 2005 Scion xB may involve replacing the Evaporative Emission Leak Detection Pump, repairing or replacing any damaged hoses, or addressing any issues with the pump's electrical circuit.

6. Can OBDII code P2401 in a 2005 Scion xB cause any other problems?

While OBDII code P2401 itself may not directly cause drivability issues, it is important to address the underlying problem to ensure the vehicle's emissions system functions properly.

7. Is it safe to continue driving with OBDII code P2401 in a 2005 Scion xB?

It is generally not recommended to continue driving with OBDII code P2401 in a 2005 Scion xB, as it may result in increased emissions and potentially lead to a failed emissions test.

8. How much does it cost to repair OBDII code P2401 in a 2005 Scion xB?

The cost to repair OBDII code P2401 in a 2005 Scion xB can vary depending on the specific issue, the parts needed for repair, and labor costs at the repair shop.

9. Can I reset OBDII code P2401 in a 2005 Scion xB with a simple DIY method?

Resetting OBDII code P2401 in a 2005 Scion xB may be possible by using an OBDII scanner to clear the code after addressing the underlying issue that triggered the code.

10. Will OBDII code P2401 in a 2005 Scion xB come back after being reset?

If the underlying issue triggering OBDII code P2401 in a 2005 Scion xB is not properly addressed, the code is likely to reappear after being reset. It is essential to diagnose and repair the problem to prevent recurrence.