Kia B168400
Not Configured Device is Detected Model MY SS SRSCM P/N Updated Driver Seat Belt Buckle P/N YDm 2017-18 95910 B0100 88830 B0550 PS 95910 B2600 88830 B2550 QL 95910 D9050 88830 D955
Quick answer
For certain 2017–2018 Kia Soul vehicles in the US, DTC B168400 is identified in Kia/NHTSA service communication PS610 as “Not Configured Device is Detected.” It may occur where an older-production driver seat-belt buckle with a 4-pin connector is not compatible with a superseded SRS Control Module (SRSCM).
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 B168400 mean?
For certain 2017–2018 Kia Soul vehicles in the US, DTC B168400 is identified in Kia/NHTSA service communication PS610 as “Not Configured Device is Detected.” It may occur where an older-production driver seat-belt buckle with a 4-pin connector is not compatible with a superseded SRS Control Module (SRSCM).
2. Technical explanation
Kia service communication PS610 states that only the SRSCM is superseded; the driver seat-belt buckle itself is not superseded. The communication says it may be necessary to inspect and replace the driver seat-belt buckle with the latest-production part number listed in the EPC when applicable. The verified source associates B168400 with this condition and also lists B176200, “ACU Coding Error.”
3. What system is affected?
Supplemental Restraint System (SRS), including the SRSCM and driver seat-belt buckle.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- DTC B168400 may be stored.
- The verified communication describes a compatibility issue between certain older 4-pin driver seat-belt buckles and a superseded SRSCM.
6. Possible causes
- An older-production driver seat-belt buckle with a 4-pin connector may no longer be compatible with a superseded SRSCM.
- Not yet established by verified evidence beyond the compatibility condition described in PS610.
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 Kia dealer or qualified service facility.
- Provide the technician with DTC B168400 and reference Kia service communication PS610 / NHTSA document MC-10162040-0001.
- Do not attempt SRS or seat-belt-buckle electrical repairs yourself.
10. Step-by-step troubleshooting
- Verify vehicle applicability: Kia Soul, model years 2017–2018, US market.
- Verify whether the SRSCM has been superseded or updated.
- Inspect the driver seat-belt buckle configuration and determine whether it is an older-production 4-pin connector version.
- Use the latest-production driver seat-belt-buckle part number listed in the EPC if replacement is determined necessary by the applicable service procedure.
11. When to contact service
Contact a Kia dealer or qualified service facility for diagnosis. Cite DTC B168400 and PS610.
12. What the service center may check
- Confirm the installed SRSCM part number and whether it is a superseded unit.
- Inspect the driver seat-belt buckle and connector configuration.
- Confirm the correct latest-production buckle part number in the Kia EPC.
- Determine whether buckle replacement is necessary under PS610.
13. Possible repair or resolution
- The verified communication states that inspection and replacement of the driver seat-belt buckle with the latest-production EPC part number may be necessary.
- The specific repair needed for an individual vehicle is not yet established by verified evidence.
14. Affected vehicles
- Kia Soul · 2017–2018 · US
15. Related TSBs / service bulletins
- Kia PS610, published June 11, 2019; NHTSA Manufacturer Communication PDF MC-10162040-0001. It addresses B168400 and B176200 in connection with an updated/superseded SRSCM and potential incompatibility of older 4-pin driver seat-belt buckles.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official NHTSA-hosted Kia manufacturer communication: https://static.nhtsa.gov/odi/tsbs/2019/MC-10162040-0001.pdf
- NHTSA: NHTSA Manufacturer Communication PDF 10162040: PS610 · official_tsb
19. Frequently asked questions
What does Kia DTC B168400 mean?
The verified Kia/NHTSA communication identifies B168400 as “Not Configured Device is Detected.”
Which vehicles are supported by the verified evidence?
Kia Soul vehicles for model years 2017–2018 in the US.
What component may need attention?
PS610 states that it may be necessary to inspect and replace the driver seat-belt buckle with the latest-production part number listed in the EPC.
Is the seat-belt buckle superseded?
No. PS610 states that only the SRSCM is superseded; the driver seat-belt buckle is not superseded.
Can I continue driving or charging?
Not yet established by verified evidence.