Certain Palisade (LX2) vehicles equipped with 3.8L GDI Lambda II engines may not meet engine-out NOx...
Hyundai technical service bulletin 26-01-010H TSB for 2020-2025 Hyundai Palisade.
- Bulletin number
- 26-01-010H TSB (9C9)
- Component
- Engine
- Summary
- Certain Palisade (LX2) vehicles equipped with 3.8L GDI Lambda II engines may not meet engine-out NOx (Nitrogen Oxides) and Particulate Matter (PM) emission standards. This bulletin provides the service procedure to update the emission logic within the Engine Control Module (ECM) to improve engine-out NOx and PM emissions, so they are within permissible specifications. Additionally, improvements to reduce noise during engine start, and enhanced thermostat logic, are also included in the updated ECM software.
Owners of these vehicles have filed 329 complaints in the engine category.
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