Technical Service Bulletins (TSBs) for the 2018 F-550 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.

    STEERING

    • TSB #20N04

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174720

      In some of the affected vehicles, customers may experience sustained steering wheel oscillation after hitting rough pavement or an expansion joint at speeds typically above 45 mph (72 Km/h). Read More »

    POWER TRAIN

    • TSB #20N04 S2

      Date Announced:
      MAY 03, 2023
      NHTSA ID:
      #10237442

      Certain 2017-2019 MY F250/F350 and all F450/550 vehicles Steering Linage Damper replacement. Reason for this supplement: Updated program terms, includes new mobile service repair assessment and updated owner letters with revised program ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

    • TSB #TSB 21-2367

      Date Announced:
      OCT 22, 2021
      NHTSA ID:
      #10202713

      Some 2018-2019 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P2459, P245A and/or P259F stored in the powertrain control module (PCM). Read More »

    • TSB #SSM 49292

      Date Announced:
      OCT 29, 2020
      NHTSA ID:
      #10181931

      Some 2018-2020 Ford and Lincoln vehicles may exhibit inoperative remote features via the Ford Pass/Lincoln Way mobile app, incomplete user authorization, no modem electronic serial number (ESN) displayed or DTCs U2100 and/or B156D in the ... Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

    • TSB #TSB 21-2367

      Date Announced:
      OCT 22, 2021
      NHTSA ID:
      #10202713

      Some 2018-2019 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P2459, P245A and/or P259F stored in the powertrain control module (PCM). Read More »

    ELECTRICAL SYSTEM

    • TSB #TSB 21-2367

      Date Announced:
      OCT 22, 2021
      NHTSA ID:
      #10202713

      Some 2018-2019 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P2459, P245A and/or P259F stored in the powertrain control module (PCM). Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #SSM 49292

      Date Announced:
      OCT 29, 2020
      NHTSA ID:
      #10181931

      Some 2018-2020 Ford and Lincoln vehicles may exhibit inoperative remote features via the Ford Pass/Lincoln Way mobile app, incomplete user authorization, no modem electronic serial number (ESN) displayed or DTCs U2100 and/or B156D in the ... Read More »

    • TSB #TSB 20-2255

      Date Announced:
      AUG 06, 2020
      NHTSA ID:
      #10179117

      Some 2016 MKS, 2016-2017 Navigator, 2016-2018 F150/Focus/CMAX/Edge/Fiesta/MKX/ Transit Connect/Mustang, 2017-2018 Continental/Fusion/MKZ, 2017-2019 Explorer, 2016-2019 Escape/MKC/Flex/MKT/Taurus/Transit/Expedition/F-Super Duty, and ... Read More »

    STRUCTURE

    • TSB #21B04-S1

      Date Announced:
      OCT 07, 2021
      NHTSA ID:
      #10202717

      Certain 2017 through 2020 Model Year F550 Equipped with Payload Plus Upgrade Package Frame Rail Crack REASON FOR THIS SUPPLEMENT ??A?A? Technical Instructions: Updated to clarify amount of use for Rotobroach cutter. Read More »

    • TSB #21B04

      Date Announced:
      SEP 24, 2021
      NHTSA ID:
      #10201640

      Certain 2017 through 2020 Model Year F550 Equipped with Payload Plus Upgrade Package ;Frame Rail Crack In some of the affected vehicles certain second unit body (SUB) upfits could cause stress points on the frame rail. Read More »

    STRUCTURE:FRAME AND MEMBERS

    • TSB #21B04 S4

      Date Announced:
      SEP 19, 2022
      NHTSA ID:
      #10222457

      Certain 2017 through 2020 Model Year F550 Equipped with Payload Plus Upgrade Package Frame Rail Crack Program Terms: Program will be extended for an additional year; Urgency/Expiration Date: Program will be extended for an additional ... Read More »

    EQUIPMENT

    • TSB #20N04 S2

      Date Announced:
      MAY 03, 2023
      NHTSA ID:
      #10237442

      Certain 2017-2019 MY F250/F350 and all F450/550 vehicles Steering Linage Damper replacement. Reason for this supplement: Updated program terms, includes new mobile service repair assessment and updated owner letters with revised program ... Read More »

    • TSB #21B04-S1

      Date Announced:
      OCT 07, 2021
      NHTSA ID:
      #10202717

      Certain 2017 through 2020 Model Year F550 Equipped with Payload Plus Upgrade Package Frame Rail Crack REASON FOR THIS SUPPLEMENT ??A?A? Technical Instructions: Updated to clarify amount of use for Rotobroach cutter. Read More »

    • TSB #20N04

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174720

      In some of the affected vehicles, customers may experience sustained steering wheel oscillation after hitting rough pavement or an expansion joint at speeds typically above 45 mph (72 Km/h). 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 »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21B04-S1

      Date Announced:
      OCT 07, 2021
      NHTSA ID:
      #10202717

      Certain 2017 through 2020 Model Year F550 Equipped with Payload Plus Upgrade Package Frame Rail Crack REASON FOR THIS SUPPLEMENT ??A?A? Technical Instructions: Updated to clarify amount of use for Rotobroach cutter. Read More »