Service bulletins for the 2023 Ford Maverick
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
121 on file from NHTSA, as of 2026-10-19.
About P0420 on the 2023 Ford Maverick: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0420 are shown. Show all
| TSB 25-2407 | 2025-09-03. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. * This article supersedes TSB 25-2269 to update vehicles affected. Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0420 stored in the powertrain control module (PCM). This may be due to the software in the PCM. |
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| TSB 25-2269 | 2025-06-19. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0420 stored in the powertrain control module (PCM). This may be due to the software in the PCM. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.