HYUNDAI
26-01-081H DCS
Manufacturer communications
- Publication date
- 2026-10-09
- Received by NHTSA
- 2026-10-14
- NHTSA record numbers
- 11038465
Manufacturer summary
Original wording in English
Certain Santa Fe Hybrid (TM HEV), Santa Fe Plug-in Hybrid (TM PHEV), Tucson Hybrid (NX4 HEV), andTucson Plug-in Hybrid (NX4 PHEV) vehicles may experience intake air line freezing and Exhaust GasRecirculation (EGR) valve corrosion due to excessive condensation accumulating within the EGR system.This condition can lead to drivability concerns related to the following DTCs: - P040400: (Exhaust Gas Recirculation Control Circuit Range) - P049D00: (EGR 'A' Control Position Exceeded Learning Limit) - P047100: (Exhaust Pressure Sensor 'A' Circuit Range/Performance) - P012800: Coolant Thermostat (Coolant Temperature below Thermostat Regulation Temperature) - P262B00: (Control Module Power Off Timer Performance) - P050C00: Cold Start Engine Coolant Temperature Performance - P1DFD00: (EVAP System Purge Pump Target Speed) - P2DFD00: (EVAP System Purge Pump Performance) - P112000: (Inlet Metering Valve – Malfunction) - P033500: (Crankshaft Position Sensor A)
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Hyundai
P012800Coolant Thermostat (Coolant Temperature below Thermostat Regulation Temperature)Hyundai
P040400(Exhaust Gas Recirculation Control Circuit Range)Hyundai
P047100(Exhaust Pressure Sensor 'A' Circuit Range/Performance)Hyundai
P049D00(EGR 'A' Control Position Exceeded Learning Limit)Hyundai
P050C00Cold Start Engine Coolant Temperature PerformanceHyundai
P112000(Inlet Metering Valve – Malfunction)Hyundai
P1DFD00(EVAP System Purge Pump Target Speed)Hyundai
P262B00(Control Module Power Off Timer Performance)Hyundai
P2DFD00(EVAP System Purge Pump Performance)Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Hyundai | SANTA FE HYBRID | 2023 |
| Hyundai | SANTA FE HYBRID | 2022 |
| Hyundai | SANTA FE HYBRID | 2021 |
| Hyundai | SANTA FE PLUG-IN HYBRID | 2023 |
| Hyundai | SANTA FE PLUG-IN HYBRID | 2022 |
| Hyundai | TUCSON HYBRID | 2024 |
| Hyundai | TUCSON HYBRID | 2023 |
| Hyundai | TUCSON HYBRID | 2022 |
| Hyundai | TUCSON PLUG-IN HYBRID | 2022 |