P2402 2006 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 2006 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.
Code P2402 2006 Toyota Highlander Description
What are the Possible Causes of the DTC P2402 2006 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 2006 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 2006 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 2006 Toyota Highlander code?
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Frequently Asked Questions about P2402 2006 Toyota Highlander Code
1. What are the common symptoms of OBDII code P2402 in a 2006 Toyota Highlander?
- Common symptoms may include the check engine light illuminating on the dashboard, decreased fuel efficiency, and potential difficulties with passing emissions tests.
2. What does the OBDII code P2402 in a 2006 Toyota Highlander indicate?
- This code specifically points to a problem with the EVAP system Leak Detection Pump Control Circuit, indicating a high voltage condition.
3. What are some potential causes of OBDII code P2402 in a 2006 Toyota Highlander?
- Causes may include a faulty leak detection pump, damaged wiring or connectors in the circuit, a malfunctioning control module, or a vacuum leak in the evaporative emissions system.
4. How can I diagnose the issue related to OBDII code P2402 in my 2006 Toyota Highlander?
- Diagnosing the problem may involve using an OBDII scanner to retrieve and interpret the code, inspecting the wiring and connectors for any visible damage, and testing components like the leak detection pump for proper function.
5. Can I continue driving my 2006 Toyota Highlander with OBDII code P2402?
- It is generally not recommended to ignore this code and continue driving, as it can lead to increased emissions and potential damage to other components of the vehicle.
6. Is it possible to clear the OBDII code P2402 in a 2006 Toyota Highlander by simply resetting the check engine light?
- While resetting the check engine light may temporarily clear the code, it is important to address the underlying issue causing the fault code to prevent it from reoccurring.
7. How much does it typically cost to repair OBDII code P2402 in a 2006 Toyota Highlander?
- The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic fees.
8. Are there any DIY repair tips for addressing OBDII code P2402 in a 2006 Toyota Highlander?
- DIY repair tips may include checking and cleaning electrical connectors, inspecting hoses for leaks, and ensuring all components in the EVAP system are properly connected.
9. Can a faulty gas cap trigger OBDII code P2402 in a 2006 Toyota Highlander?
- While a faulty gas cap is more commonly associated with other EVAP system codes, it is still a good idea to check and ensure the gas cap is properly sealed to rule out any potential issues.
10. How long does it typically take to repair OBDII code P2402 in a 2006 Toyota Highlander?
- The repair time can vary depending on the exact cause of the issue and the availability of parts, but it may range from a few hours to a day at a professional repair shop.
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