Hyundai P2237
Model O
Quick answer
P2237 is listed by Hyundai as applicable to certain 2024–2025 Kona vehicles in the United States. Verified evidence identifies it in Hyundai TSB 26-FL-003H as an Engine-system DTC addressed by a GDS software update event.
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 P2237 mean?
P2237 is listed by Hyundai as applicable to certain 2024–2025 Kona vehicles in the United States. Verified evidence identifies it in Hyundai TSB 26-FL-003H as an Engine-system DTC addressed by a GDS software update event.
2. Technical explanation
The supplied official NHTSA-hosted Hyundai communication, TSB 26-FL-003H, lists P2237 for the Kona (SX2) Engine system under GDS event 1471, described as “SX2 GAMMA 1.6 T-GDI P2237 DTC IMPROVEMENT.” The verified material does not provide a fuller fault definition, diagnostic criteria, root cause, or repair procedure.
3. What system is affected?
Engine system, according to Hyundai TSB 26-FL-003H.
4. How serious is this code?
Unknown. Not yet established by verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Unknown. Not yet established by verified evidence.
8. Can I charge the vehicle?
Unknown. Not yet established by verified evidence.
9. What you can safely do
- Arrange Hyundai dealer or qualified service evaluation if P2237 is present.
- Provide the technician with DTC P2237 and reference Hyundai TSB 26-FL-003H.
10. Step-by-step troubleshooting
- The verified TSB identifies a GDS Engine Update event: 1471 for Kona (SX2), described as “SX2 GAMMA 1.6 T-GDI P2237 DTC IMPROVEMENT.”
- The supplied evidence does not establish further owner-performed troubleshooting steps.
11. When to contact service
Service evaluation is appropriate because the verified Hyundai bulletin identifies a GDS engine software update event for P2237. The supplied evidence does not state whether service is mandatory or urgent.
12. What the service center may check
- Confirm vehicle applicability: Hyundai Kona, model years 2024–2025, United States.
- Confirm whether P2237 is stored in the Engine system.
- Check Hyundai GDS for event 1471 or a later available event listed on the GDS Engine Update screen, as stated in the bulletin.
13. Possible repair or resolution
- Hyundai TSB 26-FL-003H identifies GDS event 1471 as a P2237 DTC improvement for Kona (SX2).
- The supplied evidence does not establish the complete repair outcome, parts replacement requirements, or post-update verification process.
14. Affected vehicles
- Hyundai Kona · 2024–2025 · US
15. Related TSBs / service bulletins
- Hyundai TSB 26-FL-003H, published July 1, 2026; NHTSA Manufacturer Communication PDF 11034847. It lists Kona (SX2) Engine GDS event 1471: “SX2 GAMMA 1.6 T-GDI P2237 DTC IMPROVEMENT.”
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Official source: NHTSA-hosted Hyundai Manufacturer Communication PDF 11034847, Hyundai TSB 26-FL-003H: https://static.nhtsa.gov/odi/tsbs/2026/MC-11034847-0001.pdf
19. Frequently asked questions
Which vehicles are supported by the verified evidence?
Hyundai Kona vehicles for model years 2024–2025 in the United States. The evidence identifies the vehicle as Kona (SX2).
What does Hyundai’s bulletin say about P2237?
It lists P2237 in the Kona (SX2) Engine system and identifies GDS event 1471, described as “SX2 GAMMA 1.6 T-GDI P2237 DTC IMPROVEMENT.”
Does the verified evidence define P2237?
No. A fuller fault definition is not yet established by verified evidence.
Is P2237 related to an EV high-voltage system?
Not established by verified evidence. The supplied Hyundai bulletin identifies the Engine system.