P1455 Toyota Code - Vapor Reducing Fuel Tank System Malfunction
Quick Answer
The Engine Control Module (ECM) detects leakage of evaporative emissions from the bladder membrane by using the heated oxygen sensor and pressure switching valve. Common causes include EVAP system large leak detected, Hose and pipe for EVAP system (broken or loose), Fuel system. 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
- P1455 Toyota indicates Vapor Reducing Fuel Tank System Malfunction.
- Common causes
- Common causes include EVAP system large leak detected, Hose and pipe for EVAP system (broken or loose), Fuel system.
- 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 P1455 Toyota Description
What are the Possible Causes of the DTC P1455 Toyota?
- EVAP system large leak detected
- Hose and pipe for EVAP system (broken or loose)
- Fuel system
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1455 Toyota?
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 P1455 Toyota 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 P1455 Toyota code?
Need more information on how to fix the P1455 Toyota code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1455 Toyota code diagnosed by a professional: Find a repair shop in your area
Information for Specific Toyota Models
- P1455 2004 Toyota Prius — Vapor Reducing Fuel Tank System Malfunction
- P1455 2005 Toyota Prius — Vapor Reducing Fuel Tank System Malfunction
- P1455 2006 Toyota Prius — Vapor Reducing Fuel Tank System Malfunction
- P1455 2007 Toyota Prius — Vapor Reducing Fuel Tank System Malfunction
- P1455 2008 Toyota Prius — Vapor Reducing Fuel Tank System Malfunction
- P1455 2009 Toyota Prius — Vapor Reducing Fuel Tank System Malfunction
Frequently Asked Questions about P1455 Toyota Code
1. What does the OBDII code P1455 mean for a Toyota?
P1455 indicates a malfunction in the vapor-reducing fuel tank system, often linked to the EVAP system failing to properly contain or monitor fuel vapors.
2. What are the common symptoms of the P1455 code in a Toyota?
Symptoms may include a check engine light, a noticeable fuel smell, reduced fuel efficiency, or difficulty passing an emissions test.
3. What causes the P1455 code to appear in a Toyota?
The most common causes are a damaged or loose gas cap, a faulty purge valve, a leaky EVAP canister, or cracked fuel lines.
4. Can I drive my Toyota with the P1455 code?
Yes, you can drive with this code, but it’s recommended to fix it promptly to avoid potential fuel vapor leaks and emissions compliance issues.
5. How do I diagnose the P1455 code on my Toyota?
Start by checking the gas cap for damage or improper sealing, then inspect the EVAP system components, including the purge valve, hoses, and canister for leaks or defects.
6. How do I fix the P1455 code on my Toyota?
Repairs may involve tightening or replacing the gas cap, repairing or replacing damaged EVAP system components, or clearing the code after addressing the issue.
7. How much does it cost to fix the P1455 code on a Toyota?
Costs vary, but replacing a gas cap is inexpensive (around $15-$30), while replacing EVAP components like canisters or valves can range from $150 to $600 or more, including labor.
8. Can a loose gas cap trigger the P1455 code in a Toyota?
Yes, a loose or damaged gas cap is one of the most common causes of this code.
9. Will clearing the P1455 code solve the problem permanently?
No, clearing the code without addressing the underlying issue will cause the code to reappear.
10. How can I prevent the P1455 code from returning on my Toyota?
Ensure your gas cap is properly tightened after refueling, and regularly inspect EVAP system components for damage or wear.
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