AutoCodes – Toyota – P2402 2002 Toyota Highlander

P2402 2002 Toyota Highlander Code - EVAP System Leak Detection Pump Control Circuit High

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: P2402 2002 Toyota Highlander indicates EVAP System Leak Detection Pump Control Circuit High.
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.

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Code Popularity 2,640

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
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Code P2402 2002 Toyota Highlander 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 P2402 2002 Toyota Highlander - EVAP System Leak Detection Pump Control Circuit High - AutoCodes.com — P2402 2002 Toyota Highlander Code - EVAP System Leak Detection Pump Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P2402 2002 Toyota Highlander?

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 P2402 2002 Toyota Highlander?

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 P2402 2002 Toyota Highlander 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 P2402 2002 Toyota Highlander code?

Need more information on how to fix the P2402 2002 Toyota Highlander code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2402 2002 Toyota Highlander 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 P2402 2002 Toyota Highlander Code

1. What does OBDII code P2402 mean for a 2002 Toyota Highlander?

The code P2402 indicates a problem with the EVAP System Leak Detection Pump Control Circuit High.

2. What are the common symptoms of OBDII code P2402 in a 2002 Toyota Highlander?

Common symptoms include the check engine light coming on, rough idling, decreased fuel efficiency, and potential issues with the vehicle's emissions.

3. What are the possible causes of OBDII code P2402 in a 2002 Toyota Highlander?

Possible causes of this code may include a faulty leak detection pump, damaged wiring or connectors in the pump circuit, or a malfunctioning EVAP system pressure sensor.

4. How can I diagnose the issue related to OBDII code P2402 in my 2002 Toyota Highlander?

Diagnosing the problem may involve visually inspecting the EVAP system components, checking the wiring and connectors for any damage, and using a diagnostic scan tool to pinpoint the exact issue.

5. Can I continue driving my 2002 Toyota Highlander with OBDII code P2402?

While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent potential damage to the EVAP system and ensure optimal vehicle performance.

6. How can I repair OBDII code P2402 in my 2002 Toyota Highlander?

Repairing this code may involve replacing the leak detection pump, repairing or replacing damaged wiring or connectors, and clearing the code with a diagnostic scan tool after the repairs are completed.

7. Are there any DIY tips for fixing OBDII code P2402 in a 2002 Toyota Highlander?

For DIY enthusiasts, it's crucial to follow the manufacturer's repair manual or seek professional help if unsure about diagnosing or repairing the EVAP system components related to this code.

8. How much does it typically cost to fix OBDII code P2402 in a 2002 Toyota Highlander?

The cost of fixing this code can vary depending on the exact cause of the issue, parts needed for repair, and labor costs at a repair shop. It's advisable to obtain quotes from different mechanics for comparison.

9. Will resetting the check engine light resolve OBDII code P2402 in a 2002 Toyota Highlander?

Simply resetting the check engine light may temporarily remove the warning, but it will not fix the underlying issue causing the code. Proper diagnosis and repair are necessary to address the problem effectively.

10. How often does OBDII code P2402 occur in a 2002 Toyota Highlander?

The occurrence of this specific code can vary among vehicles, but if the EVAP system components are not properly maintained or inspected regularly, the likelihood of encountering this code may increase.