Kia P0457
Leak detected) and the evaporative (EVAP) leak self-test resulted in NTF, a manual EVAP test is recommended
Quick answer
For applicable 2015–2016 Kia Soul vehicles in the US, P0457 is associated with an evaporative-emissions-system leak detected condition. When the EVAP leak self-test returns NTF, Kia’s PS469 communication recommends a manual EVAP test.
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1. What does P0457 mean?
For applicable 2015–2016 Kia Soul vehicles in the US, P0457 is associated with an evaporative-emissions-system leak detected condition. When the EVAP leak self-test returns NTF, Kia’s PS469 communication recommends a manual EVAP test.
2. Technical explanation
Verified NHTSA manufacturer communication 10109813 (Kia PS469) states that, when the malfunction indicator lamp is illuminated with P0457 and the EVAP leak self-test resulted in NTF, a manual EVAP test is recommended. The supplied evidence does not define NTF or identify the exact leak location.
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
- The malfunction indicator lamp (MIL) may be illuminated.
6. Possible causes
- An EVAP-system leak-detected condition is identified by the supplied evidence.
- The precise source or cause of 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 diagnostic evaluation by a qualified service facility.
- Provide the stored code P0457 and note whether the EVAP leak self-test result was NTF.
10. Step-by-step troubleshooting
- If the EVAP leak self-test resulted in NTF, Kia PS469 recommends a manual EVAP test.
- No further diagnostic procedure is established by the supplied verified evidence.
11. When to contact service
Contact a qualified Kia service facility or other qualified automotive service provider for EVAP diagnosis, particularly when the MIL is illuminated and the EVAP self-test result is NTF.
12. What the service center may check
- Confirm the stored DTC is P0457.
- Review the EVAP leak self-test result.
- Perform a manual EVAP test when the self-test result is NTF, as recommended in Kia PS469.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied communication recommends manual EVAP testing but does not specify a repair.
14. Affected vehicles
- Kia Soul · 2015–2016 · US
15. Related TSBs / service bulletins
- Kia PS469, referenced in NHTSA Manufacturer Communication 10109813, published January 18, 2017: for MIL illumination with P0457 and an EVAP leak self-test result of NTF, a manual EVAP test is recommended.
16. Recall information
- No recall information is established by the supplied verified evidence.
17. Official manufacturer information
Verified source: NHTSA Manufacturer Communication 10109813, Kia PS469, published January 18, 2017. https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2015-2019.zip#nhtsa_id=10109813
- NHTSA: NHTSA Manufacturer Communication 10109813: PS469 · official_tsb
19. Frequently asked questions
What does P0457 mean for the applicable Kia Soul?
The supplied evidence describes P0457 as an evaporative emissions system leak-detected condition.
What should be done if the EVAP self-test result is NTF?
Kia PS469 recommends a manual EVAP test.
Which vehicles are established as applicable?
The supplied applicability evidence identifies US-market 2015–2016 Kia Soul vehicles.