P0455 2017 Toyota RAV4 Code - Evaporative Emission Control System Gross Leak Detected
Quick Answer
5 hours after the ignition switch is turned off, the leak detection pump creates negative pressure (vacuum) in the Evaporative Emission (EVAP) system. Common causes include Missing or loose filler fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P0455 2017 Toyota RAV4 indicates Evaporative Emission Control System Gross Leak Detected.
- Common causes
- Common causes include Missing or loose filler fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code P0455 2017 Toyota RAV4 Description
The Canister Pump Module is attached to the EVAP Canister and contains the Canister Pressure Sensor, the Leak Detection Pump, and the Vent Valve.
What are the Possible Causes of the DTC P0455 2017 Toyota RAV4?
- Missing or loose filler fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Leakage from canister pump module
- Leakage from fuel tank
- Leakage from canister
How to Fix the DTC P0455 2017 Toyota RAV4?
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 P0455 2017 Toyota RAV4 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 P0455 2017 Toyota RAV4 code?
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Frequently Asked Questions about P0455 2017 Toyota RAV4 Code
1. What does OBDII code P0455 mean for a 2017 Toyota RAV4?
The P0455 code indicates a large leak in the evaporative emission control system, specifically a gross leak detected.
2. What are common symptoms of OBDII code P0455 in a 2017 Toyota RAV4?
Common symptoms include the check engine light illuminating, a strong gasoline smell near the vehicle, and potential issues with passing emissions tests.
3. What are possible causes of OBDII code P0455 in a 2017 Toyota RAV4?
Causes of P0455 can include a loose or damaged gas cap, a faulty EVAP system purge valve, a cracked or disconnected EVAP hose, or a malfunctioning EVAP canister.
4. How serious is OBDII code P0455 in a 2017 Toyota RAV4?
While the code itself may not pose an immediate danger, it can lead to increased emissions, reduced fuel efficiency, and potential long-term damage to the vehicle's emission control system if left unresolved.
5. How can I diagnose OBDII code P0455 in a 2017 Toyota RAV4?
Diagnosing P0455 typically involves inspecting the gas cap for tightness, checking EVAP system components for damage, and using a scan tool to monitor the system for leaks.
6. Can I drive my 2017 Toyota RAV4 with OBDII code P0455?
It is generally safe to drive with a P0455 code, but it is recommended to address the issue promptly to avoid potential negative effects on fuel economy and emissions.
7. How do I repair OBDII code P0455 in a 2017 Toyota RAV4?
Repairing P0455 may involve tightening or replacing the gas cap, repairing or replacing damaged EVAP system components, clearing the code with a scan tool, and retesting the system.
8. How much does it cost to fix OBDII code P0455 in a 2017 Toyota RAV4?
Costs for fixing P0455 can vary depending on the specific cause of the issue, but repairs may range from as low as $20 for a new gas cap to a few hundred dollars for more complex repairs by a mechanic.
9. Can a DIY enthusiast fix OBDII code P0455 in a 2017 Toyota RAV4?
DIY enthusiasts with some automotive knowledge can often address P0455 by checking and replacing the gas cap or inspecting EVAP system components, but more complex issues may require professional help.
10. How often does OBDII code P0455 recur in a 2017 Toyota RAV4 after repair?
If the root cause of the P0455 code is properly identified and repaired, recurrence is unlikely. Regular maintenance and checking for loose gas caps can help prevent future occurrences.
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