P0420 on the 2016 Kia Soul
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.
| SC176Y_TSB_R1 | 2026-03-31. Service bulletin. TECHNICAL SERVICE BULLETIN: SUBSEQUENT REPAIR ACTION: CATALYTIC CONVERTER REPLACEMENT AND ENGINE INSPECTION/REPLACEMENT (SC176Y) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides catalytic converter and engine sub-assembly diagnosis and repair information on certain 2012-2016MY Soul (AM, PS) vehicles produced from July 8, 2011 through August 11, 2016, that previously had the recall campaign SC176 completed. The affected vehicles may exhibit catalyst system efficiency deterioration or a malfunction indicator lamp illumination with an active, history or pending P0420 with or without a P030X misfire DTC. |
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| SC176Y_TSB | 2024-10-23. Service bulletin. SUBSEQUENT REPAIR ACTION: CATALYTIC CONVERTER REPLACEMENT AND ENGINE INSPECTION/REPLACEMENT (SC176Y) - This bulletin provides catalytic converter and engine sub-assembly diagnosis and repair information on certain 2012-2016MY Soul (AM, PS) vehicles produced from July 8, 2011 through August 11, 2016, that previously had the recall campaign SC176 completed. The affected vehicles may exhibit catalyst system efficiency deterioration or a malfunction indicator lamp illumination with an active, history or pending P0420 with or without a P030X misfire DTC. |
2 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.