P0420 on the 2017 Ford Taurus
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| TSB 18-2297 | 2018-11-19. Service bulletin. Some 2016-2018 Police Interceptor Sedan vehicles equipped with a 3.7L Twin independent Variable Camshaft Timing (TiVCT) engine may exhibit an illuminated MIL with DTC P0420 and/or P0430. Follow the Service Procedure steps to correct the condition. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.