P2402 2006 Toyota Prius 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 Prius 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 Prius Description
What are the Possible Causes of the DTC P2402 2006 Toyota Prius?
- Faulty Vacuum Pump Module
- Vacuum Pump Module harness is open or shorted
- Vacuum Pump Module circuit poor electrical connection
- EVAP system hose (clogged, cracked or broken)
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2402 2006 Toyota Prius?
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 Prius 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 Prius code?
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Frequently Asked Questions about P2402 2006 Toyota Prius Code
1. What does OBDII code P2402 on a 2006 Toyota Prius mean?
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 on a 2006 Toyota Prius?
Common symptoms 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 P2402 on a 2006 Toyota Prius?
Possible causes of this code include a faulty leak detection pump, damaged wiring or connectors in the control circuit, or a malfunction in the EVAP system.
4. How can I diagnose the issue related to OBDII code P2402 on a 2006 Toyota Prius?
Diagnosis typically involves using a scan tool to read the trouble code, inspecting the EVAP system components for any visible damage, and testing the leak detection pump and control circuit for proper operation.
5. Can I continue driving my 2006 Toyota Prius with OBDII code P2402?
While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent further damage to the emissions system and ensure compliance with emissions regulations.
6. How can I repair OBDII code P2402 on a 2006 Toyota Prius?
Repair options may include replacing the leak detection pump, repairing or replacing damaged wiring or connectors in the control circuit, and resetting the trouble code with a scan tool after completing the necessary repairs.
7. Are there any DIY tips for fixing OBDII code P2402 on a 2006 Toyota Prius?
Unless you have experience working on automotive electronics and emissions systems, it is recommended to consult a professional mechanic for diagnosing and repairing this code to ensure proper resolution.
8. Will OBDII code P2402 on a 2006 Toyota Prius affect the vehicle's performance?
While the code may not directly impact the vehicle's drivability, ignoring it can lead to potential issues with emissions control and may cause the vehicle to fail an emissions test.
9. How much does it cost to repair OBDII code P2402 on a 2006 Toyota Prius?
The cost of repairing this code can vary depending on the root cause of the issue, the labor rates in your area, and whether you choose to address the problem yourself or take it to a professional mechanic.
10. How often does OBDII code P2402 occur in a 2006 Toyota Prius?
The occurrence of this specific code can vary among vehicles, but it is not uncommon in older vehicles like the 2006 Toyota Prius due to wear and tear on emissions system components over time.
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