December 20, 2023 Service bulletin

This article supersedes TSB 23-2363 to add 2021-2022 vehicle model years, update the symptom and the...

Ford technical service bulletin TSB 23-2429 for 2021-2023 Ford F-150.

Bulletin number: TSB 23-2429
Component: Power train: automatic transmission: control module (TCM/PCM/tecm)
Summary: This article supersedes TSB 23-2363 to add 2021-2022 vehicle model years, update the symptom and the causal part. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P084B stored in the powertrain control module (PCM). This may be due to the software level of the PCM. To correct this condition, perform the Service Procedure below to reprogram the PCM to the latest software level via the Ford Diagnosis and Repair System (FDRS).

Owners of these vehicles have filed 645 complaints in the transmission category.

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