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Service bulletins for the 2020 Ford F-350

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.

303 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

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Bulletins, newest first
SSM 500452021-09-04. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2021 Ford/Lincoln vehicles equipped with a wireless charging pad may exhibit an inoperative charging pad, slow charging, a notification that the phone has been mispositioned on the charging pad and/or the phone charging icon in the center screen is not showing. This may be due to the customer's phone if they are using an iPhone 12. Vehicles equipped with a wireless charging pad are designed to charge best with phones that follow the Qi standard. The iPhone 12 hardware currently does not follow the Qi standard for wireless charging. This may make it difficult for Ford and Lincoln vehicles to wirelessly charge this specific phone. The phone can still be charged using the USB cable if the vehicle experiences the above symptoms. If the customer is using an iPhone 12, verify the wireless charging pad works with a Qi certified phone prior to any part replacements.
SSM 500392021-09-04. Service bulletin. ELECTRICAL SYSTEM. Some 2016-2021 Ford or Lincoln vehicles equipped with SYNC 3 or SYNC 4 may exhibit a blank screen or other various SYNC symptoms only when the vehicle is in transport mode. This is considered normal due to the power saving features enabled while in transport mode. It is beneficial for battery life to keep the vehicle in transport mode until the vehicle is prepped for sale. To prevent a SYNC system lockup during transport mode deactivation, follow the Workshop Manual (WSM) procedure exactly allowing time for the SYNC system to complete its tasks such as fully booting up or powering down and shutting off before moving to the next step of the procedure. If the vehicle exhibits a blank screen or SYNC symptoms after transport mode deactivation, refer to WSM, Section 415-00 for normal diagnosis. The SYNC version can be confirmed via OASIS.
SSM 500282021-09-04. Service bulletin. STEERING; ELECTRICAL SYSTEM. Some 2020-2021 F-Super Duty vehicles equipped with an electronic steering actuator and built on or after 12-Apri-2021 may exhibit various steering fault messages with diagnostic trouble code (DTC) C1B00 stored in the power steering control module (PSCM). To correct the condition, reprogram the PSCM using the latest software level of the appropriate Ford diagnostic scan tool. For claiming, use causal part 3G568 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 500742021-09-04. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2021 F-Super Duty vehicles equipped with an electronic steering actuator and built on or before 12-Apri-2021 may exhibit various steering fault messages with diagnostic trouble code (DTC) C1B00 stored in the power steering control module (PSCM). To correct the condition, reprogram the PSCM using the latest software level of the appropriate Ford diagnostic scan tool. For claiming, use causal part 3G568 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 21-22632021-09-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Mustang/Ranger/Transit Connect, 2020-2021 EcoSport/Escape/Expedition/Explorer/F-Super Duty/Aviator/Corsair/Navigator and 2021 Bronco Sport vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.
TSB 21-21762021-09-02. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2021 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also have an illuminated anti-lock braking system (ABS) Indicator with DTCs C0020 and U3003 in the ABS module. This may be a result of water/moisture intrusion into the battery junction box (BJB). The BJB is located under the hood of the vehicle. This water/moisture intrusion may be related to the BJB cover not installed completely or broken cover tabs/locking fingers allowing water/moisture into the BJB. To correct the condition, follow the Service Procedure steps to inspect for water/moisture intrusion into the BJB and replace the BJB if water/moisture intrusion is found.
SSM 499892021-08-02. Service bulletin. POWER TRAIN. Some 2017-2022 F-Super Duty vehicles equipped with four-wheel drive (4WD) may exhibit steering bind or front driveline noise because the hublocks do not automatically disengage immediately following a shift from 4WD to two-wheel drive (2WD). This may be due to driveline tension between the axle and hub keeping them engaged. To correct the condition, shift the vehicle from DRIVE to REVERSE to release the driveline tension. This is a normal operating characteristic of the vehicle and replacement of the hublocks is not recommended. If the concern remains after shifting into REVERSE and allowing the vehicle to move approximately 5 feet (1.5 meters), remove and inspect the hublocks for any damage. Refer to Workshop Manual (WSM), Section 308-07A. Repair as necessary.
TSB 21-22362021-08-02. Service bulletin. SEATS. Some 2013-2018 C-Max, 2013-2020 Fusion/MKZ, 2013-2021 Escape, 2015-2018 Focus, 2015-2019 MKC, 2015-2021 Edge/F150/Mustang, 2016-2018 MKX, 2016-2019 Explorer, 2017-2021 F-Super Duty, 2018-2021 EcoSport/Expedition, 2019-2021 Ranger/Nautilus, 2021 Bronco Sport/Mustang Mach-E vehicles may experience seat pan looseness, lateral movement, or a clunk/thump noise on turns. This may be due to the seat pan track. To correct the condition, follow the Service Procedure steps to install a reinforcement.
TSB 21-22072021-08-02. Service bulletin. LATCHES/LOCKS/LINKAGES:ELECTRONIC LOCK/LATCH ACTUATOR. Some 2019-2020 F-150 and F-Super Duty vehicles may exhibit one or more power door locks inoperative. This concern may be due to a power door lock actuator. To correct the condition, follow the Service Procedure steps to replace the affected actuator.
21B422021-08-02. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION. All of the affected vehicles were built with front spring and front gross axle weight rating (FGAWR) below the customer expected value. The marketing Order Guide stated that on units equipped with Ambulance & Wrecker packages, customers would get up to 7000 lb front spring FGAWR. The front coil springs were built to match the FGAWR labels on these units. The customer did not receive the front coil spring capability they were expecting based on the data in the marketing Order Guide and their reserve capacity might be lower than expected.
TSB 21-20902021-08-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT. Some 2020 F-Super Duty vehicles equipped with a 6.2L or 7.3L engine, 10R140 transmission, and built on or before 05-Jun-2020 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0132, P0135, P0138, P0141, P0152, P0155, P0158 and/or P0161 stored in the powertrain control module (PCM). This may be due to water intrusion into heated oxygen sensor (HO2S) connectors C141, C142, C1571 and/or C1572 on the transmission harness where it connects to the engine exhaust sensors. To correct the condition, follow the Service Procedure steps to replace the transmission harness and the affected heated oxygen sensors (HO2S) and/or the catalyst monitor sensor.
SSM 498852021-07-02. Service bulletin. EQUIPMENT. Some 2019-2021 Ford and Lincoln vehicles may exhibit an intermittent audio echo/robotic voice heard during a bluetooth phone call by the person that is not in the vehicle. Using Apple CarPlay and Android Auto instead of Bluetooth can help alleviate the concern. Also turning on, then off, the privacy setting in the SYNC touchscreen can temporarily alleviate the concern. Engineering is currently investigating this concern and will be releasing a service fix in early July 2021. Let the customer know they can continue to drive the vehicle and schedule service appointments for customers once the repair becomes available. Monitor OASIS for updates.
SSM 498532021-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Some 2020-2021 F-Super Duty vehicles equipped from the factory with an exterior backup alarm may also experience an interior chime when the vehicle is placed into the reverse position. This chime may come through the vehicles audio system or through the instrument cluster. This may be due to incorrect as-built data in the instrument panel cluster (IPC). To correct the condition, using the latest software level of the appropriate Ford diagnostic scan tool, run the IPC - Instrument Panel Cluster (IPC) Configuration application. For claiming, use causal part 10849 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 21-21992021-07-01. Service bulletin. EQUIPMENT. This article supersedes TSB 21-2144 to update the vehicle model years affected and the Part List. Some 2015-2020 F-150 and 2017-2021 F-Super Duty vehicles may exhibit a lack of heat or cooling from the cabin vents when the climate control settings are adjusted between hot and cold. This may be due to a stuck/binding temperature door within the climate control housing or binding/inoperative temperature door actuator. Diagnostic trouble code (DTC) B1081:07 may be present in the front controls interface module (FCIM). To correct the condition, follow the Service Procedure steps to remove the climate control housing and replace the temperature door actuator(s) and/or lubricate the temperature blend door bearing surface.
21B03-S32021-06-03. Service bulletin. POWER TRAIN; EQUIPMENT. Certain 2020 Model Year Super Duty F250-F600 Vehicles Equipped with a 10R140 Transmission - Number One Planetary and Ring Gear Assembly Parts to repair this condition are now available in sufficient quantities to service all of the affected vehicles. All VINs have been activated. All owner notification through Supplement #2 is complete as of the end of April 2021.
TSB 21-21502021-06-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Mustang/Ranger/Transit Connect, 2020-2021 EcoSport/Escape/Expedition/Explorer/F-Super Duty/Aviator/Corsair/Navigator and 2021 Bronco Sport vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.
TSB 21-21442021-06-03. Service bulletin. EQUIPMENT. Some 2015-2021 F-150 and 2017-2021 F-Super Duty vehicles may exhibit a lack of heat or cooling from the cabin vents when the climate control settings are adjusted between hot and cold. This may be due to a stuck/binding temperature door within the climate control housing or binding/inoperative temperature door actuator. Diagnostic trouble code (DTC) B1081:07 may be present in the front controls interface module (FCIM). To correct the condition, follow the Service Procedure steps to remove the climate control housing and replace the temperature door actuator(s) and/or lubricate the temperature blend door bearing surface.
SSM 498222021-06-01. Service bulletin. POWER TRAIN. Some 2020-2021 F-Super Duty vehicles equipped with an 10R140 automatic transmission may exhibit an illuminated malfunction indicator Lamp (MIL) and/or powertrain malfunction indicator (wrench) lamp with various transmission fluid temperature (TFT) and/or transmission range (TR) sensor diagnostic trouble codes (DTC) P2805, P0706, P0707, P0708, P0709, P2801, P2802, P2803, P2804, P0710, P0711, P0712, P0713 and/or P1711 stored in the powertrain control module (PCM) or the transmission control module (TCM). If any of these DTCs are present, disconnect the transmission vehicle harness connector C168A, and if equipped, the TCM connector C1750 to inspect for damaged or pushed out terminals, corrosion, loose wires and missing/damaged seals. If damage is found, repair as necessary. If no issues are present, refer to Workshop Manual (WSM), Section 307-01 for normal diagnostics.
SSM 498202021-06-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Some 2017-2021 Ford and Lincoln vehicle owners may experience a condition of missing Authorization, Command and Control, Battery Charging Details or Phone-as-a-Key setup buttons/selections in their FordPass or LincolnWay App. This condition is due to an error within the FordPass or LincolnWay App and not due to a concern on the vehicle. Verify that the customers FordPass or LincolnWay App is at the latest version. Replacement or reprogramming of the telematics control unit (TCU)/gateway module (GWM)/remote function actuator (RFA) will not resolve this condition. If the condition persists, Utilize the FordPass Guides or Lincoln Way Concierge teams.
SSM 498052021-06-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING. Some 2011-2021 vehicles equipped with a diesel engine may have engine oil in the exhaust after turbocharger replacement for various reasons. To correct the condition, remove the exhaust and stand the exhaust up with the turbocharger inlet side facing down using a suitable drain pan. Allow the exhaust to drain for at least 24 hours and reinstall. Do not perform a manual exhaust regeneration.
SSM 498032021-06-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. 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 telematics control unit (TCU). These symptoms may persist even after performing a TCU software update and/or replacement. To correct this condition, start a new session with the latest version of the appropriate diagnostic scan tool and perform a PMI on the TCU. If issues persist, open a hotline assistance request and include the IDS version (if applicable) used to perform the PMI and the Authorization Status PID value in the TCU datalogger. For claiming use causal part 14G229 and applicable labor times in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 497972021-06-01. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2021 F-Super Duty vehicles built on or before 08-Mar-2021 and equipped with SYNC 3 may exhibit a touch screen appearing to be randomly touched without user input, slow operation and/or inoperative touch screen operation. To correct the condition, replace the front display interface module (FDIM). For claiming, use causal part 18B955 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 497952021-06-01. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM. Some 2018-2021 Ford and Lincoln vehicles may not be able to perform remote commands via the FordPass/LincolnWay App due to an erroneous deep sleep message. If the vehicle has been driven within 14 days and the battery state of charge is above 9.5 volts when the deep sleep message set, this is an erroneous message. Starting and running the vehicle will clear the message and allow the remote commands to function again. Inform customers that engineering is currently working on a solution for this condition that will be released via an over the air (OTA) update that is expected in June 2021. Replacement or reprogramming of the telematics control unit (TCU)/gateway module (GWM) will not resolve this condition. Monitor OASIS for additional information and schedule service appointments for customers once the repair becomes available.
21B03-S22021-05-04. Service bulletin. POWER TRAIN. Certain 2020 Model Year Super Duty F250-F600 Vehicles Equipped with a 10R140 Transmission - Number One Planetary and Ring Gear Assembly Additional vehicles are now eligible for this repair. Vehicles with a 4.30 axle gear ratio, Vehicles with a 4.10 axle gear ratio, Vehicles with a 4.88 axle gear ratio, Emergency vehicles and wrecker vehicles.
TSB 21-21002021-05-04. Service bulletin. POWER TRAIN. Some 2020-2021 F-Super Duty vehicles equipped with a 10R140 transmission may exhibit a ticking or scraping noise coming from the bellhousing. The noise may or may not go away while in PARK and/or NEUTRAL. This may be due to the torque converter studs contacting the flexplate inspection cover and/or internal torque converter damper spring contact. To correct the condition, inspect and adjust the flexplate inspection cover (gas engine only) and/or replace the torque converter (gas or diesel engine).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.