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Kia P0455

Leak detected) and the evaporative (EVAP) leak self-test resulted in NTF, a manual EVAP test

DriveNot yet established by verified evidence.
ChargeNot yet established by verified evidence.
ServiceContact a qualified Kia service facility for diagnosis if P0455 is present under the documented conditions.
Confidence95%

Quick answer

For applicable 2015–2016 Kia Soul vehicles in the US, Kia communication PS469 addresses P0455 when the MIL is illuminated and the EVAP leak self-test result is NTF. It calls for a manual EVAP test for hard-to-find or small leaks.

This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.

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Dtc p0303 p0304 p0455 p2096 Hiunday Kia falla en el motor The Old Men Auto Repair

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1. What does P0455 mean?

For applicable 2015–2016 Kia Soul vehicles in the US, Kia communication PS469 addresses P0455 when the MIL is illuminated and the EVAP leak self-test result is NTF. It calls for a manual EVAP test for hard-to-find or small leaks.

2. Technical explanation

P0455 is identified in the supplied Kia/NHTSA evidence as an Evaporative Emissions System—Leak Detected DTC. The official manufacturer communication states that, where P0455 is present, the MIL is illuminated, and the EVAP leak self-test resulted in NTF, a manual EVAP test is applicable for hard-to-find or small leaks.

3. What system is affected?

Evaporative Emissions (EVAP) system.

4. How serious is this code?

Not yet established by verified evidence.

5. Symptoms you may notice

  • Illuminated malfunction indicator lamp (MIL), as specified in Kia communication PS469.

6. Possible causes

  • An EVAP-system leak is indicated by P0455.
  • Whether any particular component, connection, or condition caused the leak is not yet established by verified evidence.

7. Can I still drive the vehicle?

Not yet established by verified evidence.

8. Can I charge the vehicle?

Not yet established by verified evidence.

9. What you can safely do

  • Arrange diagnosis by a qualified service facility if the MIL is illuminated with P0455.
  • Provide the technician with the condition documented in the communication: P0455 and an EVAP leak self-test result of NTF.

10. Step-by-step troubleshooting

  1. Kia communication PS469 specifies a manual EVAP test when the MIL is illuminated with P0455 and the EVAP leak self-test resulted in NTF.
  2. No additional diagnostic steps are established by the supplied verified evidence.

11. When to contact service

Contact a qualified Kia service facility for diagnosis if P0455 is present under the documented conditions.

12. What the service center may check

  • Confirm the stored DTC is P0455.
  • Confirm whether the MIL is illuminated.
  • Confirm whether the EVAP leak self-test result is NTF.
  • Perform the manual EVAP test referenced by Kia communication PS469 for hard-to-find or small leaks.

13. Possible repair or resolution

  • The required repair, if any, is not yet established by verified evidence.
  • The supplied communication supports manual EVAP testing; it does not establish a specific failed part or repair.

14. Affected vehicles

15. Related TSBs / service bulletins

  • Kia PS469 / NHTSA Manufacturer Communication 10109813, published January 18, 2017: “Manual Evaporative Emissions Test for Hard to Find/Small Leaks.” It includes P0455 when the MIL is illuminated and the EVAP leak self-test resulted in NTF.

16. Recall information

  • No recall information is established by the supplied verified evidence.

17. Official manufacturer information

Official source: NHTSA Manufacturer Communication 10109813, Kia PS469: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2015-2019.zip#nhtsa_id=10109813

19. Frequently asked questions

What does P0455 mean in the supplied evidence?

It is listed as an Evaporative Emissions System—Leak Detected DTC.

When does Kia PS469 call for a manual EVAP test?

When the MIL is illuminated with P0455 and the EVAP leak self-test resulted in NTF.

Which vehicles are supported by the supplied applicability evidence?

Kia Soul model years 2015–2016 in the US.

Does the evidence identify the exact leaking component?

No. The exact cause is not yet established by verified evidence.

20. Sources & verification

ReferenceVerified
Kia P0455: Leak detected) and the evaporative (EVAP) leak self-test… | EV Diagnostics