Service bulletins for the 2025 Hyundai Tucson
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
58 on file from NHTSA, as of 2026-10-19.
About P04DB on the 2025 Hyundai Tucson: what the code means, and the bulletins and recalls about the same components.
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By component
By trouble code
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Only bulletins with trouble code: P04DB are shown. Show all
| 25-01-083H DCS 0122 | 2026-01-27. Service campaign. ENGINE. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnected). Technical Service Bulletin (TSB) 25-01-083H provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition. |
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| 25-01-083H DCS | 2025-11-20. Service campaign. ENGINE. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnected). Technical Service Bulletin (TSB) 25-01-083H provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition. |
| 25-01-083H TSB | 2025-11-20. Service campaign. ENGINE. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnected). This bulletin provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.