Nissan P0455
2011. MODEL NOT LISTED. *PE
Quick answer
For a 2011 Nissan Leaf (US), DTC P0455 is associated in the supplied official Nissan/NHTSA bulletin evidence with an EVAP leak DTC that can be stored when the fuel fill cap is loose. The database’s canonical wording is “2011. MODEL NOT LISTED. *PE,” so the exact Leaf-specific diagnostic meaning is not yet established by verified evidence.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does P0455 mean?
For a 2011 Nissan Leaf (US), DTC P0455 is associated in the supplied official Nissan/NHTSA bulletin evidence with an EVAP leak DTC that can be stored when the fuel fill cap is loose. The database’s canonical wording is “2011. MODEL NOT LISTED. *PE,” so the exact Leaf-specific diagnostic meaning is not yet established by verified evidence.
2. Technical explanation
The supplied verified source is NHTSA Manufacturer Communication 10053956, Nissan bulletin NTB-09-020-F, published November 15, 2013. Its evidence summary states that a loose fuel fill cap is the cause of EVAP leak DTCs P0442, P0455, and P0456 stored on some 2007–2011 vehicles. The supplied applicability record includes the 2011 Nissan Leaf in the US. However, the bulletin summary also says “MODEL NOT LISTED,” and no further model-specific procedure, confirmation criteria, or component-level diagnosis was supplied.
3. What system is affected?
EVAP system, based on the official bulletin evidence describing P0455 as an EVAP leak DTC.
4. How serious is this code?
Unknown. The supplied diagnostic record lists severity as unknown.
5. Symptoms you may notice
- A stored P0455 DTC is established by the diagnostic record.
- Additional symptoms are not yet established by verified evidence.
6. Possible causes
- A loose fuel fill cap is identified by Nissan bulletin NTB-09-020-F as a cause of EVAP leak DTCs including P0455 on some 2007–2011 vehicles.
- Any other cause is not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. The supplied diagnostic record lists safe-to-drive status as unknown.
8. Can I charge the vehicle?
Unknown. The supplied diagnostic record lists safe-to-charge status as unknown.
9. What you can safely do
- Check that the fuel fill cap is present and securely tightened, consistent with the official bulletin evidence identifying a loose cap as a cause.
- If P0455 remains stored or returns, arrange professional diagnosis.
- Do not perform high-voltage system repairs based on this code.
10. Step-by-step troubleshooting
- Confirm whether the fuel fill cap is loose and secure it if needed.
- No additional troubleshooting procedure is established by the supplied verified evidence.
11. When to contact service
Professional service is appropriate if the code remains stored or returns after confirming the fuel fill cap is secure. Service urgency is not established by verified evidence.
12. What the service center may check
- Check fuel fill cap condition and security in relation to the loose-cap cause identified in Nissan bulletin NTB-09-020-F.
- Further service checks are not yet established by verified evidence.
13. Possible repair or resolution
- Secure or address a loose fuel fill cap where applicable.
- Any further repair resolution is not yet established by verified evidence.
14. Affected vehicles
- Nissan Leaf · 2011 · US
15. Related TSBs / service bulletins
- Nissan NTB-09-020-F, NHTSA Manufacturer Communication 10053956, published 2013-11-15: states that a loose fuel fill cap can cause EVAP leak DTCs P0442, P0455, and P0456 on some 2007–2011 vehicles. The supplied summary states “MODEL NOT LISTED.”
16. Recall information
- No recall information was supplied or established by verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication 10053956, Nissan NTB-09-020-F: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2010-2014.zip#nhtsa_id=10053956
19. Frequently asked questions
What does P0455 mean on a 2011 Nissan Leaf?
The supplied record labels P0455 as “2011. MODEL NOT LISTED. *PE.” Official bulletin evidence associates P0455 with an EVAP leak DTC, but an exact Leaf-specific meaning is not yet established by verified evidence.
Can a loose fuel fill cap cause P0455?
Yes. Nissan bulletin NTB-09-020-F identifies a loose fuel fill cap as a cause of EVAP leak DTCs including P0455 on some 2007–2011 vehicles.
Is it safe to drive or charge with P0455?
The supplied record marks both safe-to-drive and safe-to-charge status as unknown. No verified evidence provided a definitive answer.