FORD
Reported code forms P0420
Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0420 and/or P0430 stored in the powertrain control…
HomeP0420 · Manufacturer communications
P0420 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
FORD
Reported code forms P0420
This article supersedes TSB 24-2124 to change the labor operation from actual time to fixed time. Some of the vehicles listed in the Model statement above may exhibit an illuminated MIL with diagnostic trouble codes…
FORD
Reported code forms P0420
The affected vehicles have an on-board diagnostics (OBD) system that may falsely set the catalytic converter Diagnostic Trouble Codes (DTC) P0420 – Catalyst System Efficiency Below Threshold (Bank 1) and/or P0430 –…
FORD
Reported code forms P0420
This article supersedes TSB 24-2115 to update the Service Procedure. Some 2018-2020 F-150 vehicles equipped with a 2.7L EcoBoost may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes…
FORD
Reported code forms P0420
This article supersedes TSB 23-2425 to address revised software and update the Parts List. Some 2022-2023 F-150 hybrid vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated MIL with diagnostic…
FORD
Reported code forms P0420
This article supersedes TSB 22-2260 to update the vehicle applications. Some 2018-2020 F-150 vehicles equipped with a 2.7L EcoBoost may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble…
FORD
Reported code forms P0420
This article supersedes TSB 23-2337 to update the Service Procedure and the causal part. Some 2022-2023 F-150 hybrid vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated MIL with diagnostic trouble…
FORD
Reported code forms P0420
Some 2022-2023 F-150 hybrid vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0420 and/or P0430 stored in the powertrain control module (PCM). This may…
FORD, LINCOLN
Reported code forms P0420
Some 2018-2020 F-150 vehicles equipped with a 2.7L EcoBoost and 2020-2021 Expedition/Navigator vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0420 and/or P0430…
FORD, LINCOLN
Reported code forms P0420
Some 2018-2020 F-150 vehicles equipped with a 2.7L EcoBoost and 2020-2021 Expedition/Navigator may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0420 and/or P0430 stored…
FORD
Reported code forms P0420
Some 2021 F-150 vehicles equipped with a 3.5L EcoBoost engine and built on or before 02-Mar-2021 may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P060B, P0420, P0430,…