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August 20, 2025 Service bulletin

Incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0420 and/or...

Ford technical service bulletin TSB 25-2382 for 2021-2022 Ford E-350, 2021-2022 Ford E-450 and 2020-2021 Ford F-53 and others.

Bulletin number
TSB 25-2382
Component
Power train
Summary
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 module (PCM). This may be due to the software in the PCM.

Owners of these vehicles have filed 17 complaints in the transmission category.

Vehicles covered

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