Technical Service Bulletins (TSBs) for the 2021 F-350 are official communications between Ford & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

    • TSB #SSM 49785

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10194412

      Some 2021 F-Super Duty and 2021-2022 E-Series vehicles equipped with a 6.2L or 7.3L gasoline engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0457 stored in the powertrain control ... Read More »

    FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

    • TSB #SSM 49785

      Date Announced:
      MAY 07, 2021
      NHTSA ID:
      #10194412

      Some 2021 F-Super Duty and 2021-2022 E-Series vehicles equipped with a 6.2L or 7.3L gasoline engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0457 stored in the powertrain control ... Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #SAN-Vol1 I1

      Date Announced:
      JUN 08, 2023
      NHTSA ID:
      #10240743

      The Service Awareness Newsletter is an informal communication that contains information that may not be presently available in a TSB, SSM, GSB, or other electronic communication. Read More »

    • TSB #HSB2020-09.02

      Date Announced:
      SEP 02, 2020
      NHTSA ID:
      #10180615

      Sales Bulletin - 2021 F-Series order guide released, Grove City Hotel break in notice, Cares Act notice, Ambulance Crash Testing link, HEPA filter availability update, Ohio Temporary tag notice, Dealer portal training material notice, ... Read More »