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Engine-Codes – Scion – P2402 2005 Scion xB

P2402 2005 Scion xB Code - Leak Detection Pump Stuck ON

Quick Answer

The P2402 diagnostic trouble code (DTC) for a 2005 Scion xB indicates that the Leak Detection Pump (LDP) is stuck in the ON position. Common causes include Faulty Leak Detection Pump, Wiring issues, Vacuum leak in the system. 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
P2402 2005 Scion xB indicates Leak Detection Pump Stuck ON.
Common causes
Common causes include Faulty Leak Detection Pump, Wiring issues, Vacuum leak in the system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P2402 2005 Scion xB Description

The P2402 diagnostic trouble code (DTC) for a 2005 Scion xB indicates that the Leak Detection Pump (LDP) is stuck in the ON position. The LDP is a crucial component of the vehicle's evaporative emissions control system, responsible for detecting leaks in the fuel system. When the LDP is stuck ON, it means that the pump is continuously running, which can lead to various issues within the system.

OBDII Code P2402 2005 Scion xB - Leak Detection Pump Stuck ON
P2402 2005 Scion xB Code - Leak Detection Pump Stuck ON

Common Causes of P2402 2005 Scion xB

  1. Faulty Leak Detection Pump
  2. Wiring issues
  3. Vacuum leak in the system
  4. Malfunctioning evaporative emissions control system

Symptoms of P2402 2005 Scion xB

  1. Check engine light illuminated
  2. Decreased fuel efficiency
  3. Rough idling or stalling
  4. Battery drain
  5. Failed emissions test

How to Fix P2402 2005 Scion xB

  1. Begin by diagnosing the specific cause of the issue using a scan tool to confirm the P2402 code.
  2. Inspect the Leak Detection Pump and associated wiring for any visible damage or signs of wear.
  3. Test the functionality of the LDP to determine if it is stuck ON or if there is another underlying issue.
  4. Replace the faulty LDP or repair any wiring issues as necessary.
  5. Clear the DTC and reset the check engine light to ensure the issue has been resolved.

Cost to Fix P2402 2005 Scion xB

The typical repair costs for addressing a P2402 code on a 2005 Scion xB can range from $150 to $400, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It is recommended to check local rates for a more accurate estimate.

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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 P2402 2005 Scion xB Code

1. What are the common symptoms of OBDII code P2402 in a 2005 Scion xB?

The common symptoms of code P2402 in a 2005 Scion xB include the check engine light illuminating on the dashboard and possible issues with the vehicle's emission control system.

2. What does the OBDII code P2402 on a 2005 Scion xB indicate?

Code P2402 on a 2005 Scion xB indicates that the Leak Detection Pump is stuck ON, which can lead to problems with the evaporative emission control system.

3. What are the possible causes of OBDII code P2402 in a 2005 Scion xB?

Possible causes of code P2402 in a 2005 Scion xB include a faulty Leak Detection Pump, a malfunctioning purge valve, damaged hoses or connections in the evaporative emission system, or a problem with the vehicle's onboard computer.

4. How serious is OBDII code P2402 in a 2005 Scion xB?

Code P2402 should be addressed promptly as it can lead to increased emissions, reduced fuel efficiency, and potential damage to the vehicle's emission control components if left unresolved.

5. Can I continue driving my 2005 Scion xB with OBDII code P2402?

It is not recommended to continue driving the vehicle with code P2402 present, as it can result in emission control system issues and may cause further damage if not addressed in a timely manner.

6. How can I diagnose OBDII code P2402 on a 2005 Scion xB?

Diagnosing code P2402 typically involves using an OBDII scanner to retrieve the code, inspecting the Leak Detection Pump, purge valve, hoses, and connections for any visible damage, and conducting further testing as needed.

7. What are some repair tips for addressing OBDII code P2402 in a 2005 Scion xB?

Repair tips for code P2402 may include replacing the faulty Leak Detection Pump, inspecting and repairing any damaged hoses or connections, checking and potentially replacing the purge valve, and clearing the code with an OBDII scanner after repairs are completed.

8. Can I reset OBDII code P2402 in a 2005 Scion xB by disconnecting the battery?

While disconnecting the battery may temporarily clear the code, it is not a recommended method for resolving the underlying issue causing code P2402. It is best to diagnose and repair the problem to prevent the code from reoccurring.

9. How much does it typically cost to repair OBDII code P2402 in a 2005 Scion xB?

The cost of repairing code P2402 in a 2005 Scion xB can vary depending on the specific cause of the issue, the cost of parts, and labor rates. It is recommended to consult with a qualified mechanic for an accurate estimate.

10. Can a DIY enthusiast fix OBDII code P2402 in a 2005 Scion xB?

While some DIY enthusiasts may have the skills and tools to address code P2402, it is recommended to consult with a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.

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