P2402 2005 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 2005 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 2005 Toyota Prius Description
What are the Possible Causes of the DTC P2402 2005 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 2005 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 2005 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 2005 Toyota Prius code?
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Frequently Asked Questions about P2402 2005 Toyota Prius Code
1. What does OBDII code P2402 mean on a 2005 Toyota Prius?
- OBDII code P2402 indicates a problem with the EVAP system leak detection pump control circuit being high.
2. What are common symptoms of OBDII code P2402 on a 2005 Toyota Prius?
- Common symptoms include the check engine light being illuminated, rough idling, decreased fuel efficiency, and potential issues with emissions.
3. What are possible causes of OBDII code P2402 on a 2005 Toyota Prius?
- Possible causes include a faulty leak detection pump, damaged wiring or connectors in the circuit, a malfunctioning EVAP system pressure sensor, or a defective ECM.
4. How can I diagnose OBDII code P2402 on my 2005 Toyota Prius?
- Diagnosing OBDII code P2402 may involve checking the integrity of the wiring and connectors in the EVAP system, testing the leak detection pump, and verifying the operation of the EVAP system pressure sensor.
5. Can I still drive my 2005 Toyota Prius with OBDII code P2402?
- It is generally safe to drive your vehicle with code P2402, but it is recommended to have the issue diagnosed and repaired as soon as possible to avoid potential emissions problems.
6. How can I repair OBDII code P2402 on my 2005 Toyota Prius?
- Repairing code P2402 may involve replacing the leak detection pump, repairing damaged wiring or connectors, replacing the EVAP system pressure sensor, or reprogramming the ECM.
7. Can I reset OBDII code P2402 on my 2005 Toyota Prius?
- Yes, you can reset the code using an OBDII scanner or by disconnecting the battery for a few minutes. However, the underlying issue causing the code should still be addressed.
8. Will OBDII code P2402 on a 2005 Toyota Prius cause emissions test failure?
- Yes, code P2402 may cause your vehicle to fail emissions testing as it indicates a problem with the EVAP system, which is crucial for controlling emissions.
9. How much does it cost to repair OBDII code P2402 on a 2005 Toyota Prius?
- The cost of repairing code P2402 can vary depending on the specific issue, but it may range from $100 to $500 or more, including parts and labor.
10. How often does OBDII code P2402 occur on a 2005 Toyota Prius?
- OBDII code P2402 is not a common code for a 2005 Toyota Prius, but it can occur due to various factors affecting the EVAP system.
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