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Service bulletins for the 2021 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.

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

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Bulletins, newest first
SSM 511702022-11-29. Service bulletin. ENGINE AND ENGINE COOLING. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an A/C system blowing only warm air. This may be due to the powertrain control module inhibiting the engagement of the air conditioning compressor clutch with parameter identification (PID) AC_INHIBIT_11 status showing TRUE. If this PID shows TRUE but the ambient air temperature PID reads correctly, this may be due to a disconnected mass air flow sensor with the ignition on, especially after checking the condition of the engine air filter. To correct the condition, clear all diagnostic trouble codes and perform the HVAC or FCIM - Reset the Outside Air Temperature Sensor Learned Values application. If the condition remains, the vehicle needs to be driven for 2-5 minutes over 23 mph (37 km/h). If the condition still remains, refer to Workshop Manual, Section 412-00 for normal diagnostics.
SSM 511502022-10-31. Service bulletin. ENGINE AND ENGINE COOLING. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL), lack of power, and/or excessive turbo noise during operation, with diagnostic trouble codes (DTC) P003A, P0045, P0046, P0047, P0048, P0234, P0237, P0238, P132A, P2564, P2565, P2598, P259E, and/or P259F stored in the powertrain control module. If Workshop Manual (WSM) diagnostics lead to turbocharger variable vane actuator replacement, service part LC3Z-9G488-B has been released for service. Replacement of the turbocharger assembly is no longer required. When performing the VGT (Variable Geometry Turbo) Valve reset, make sure that engine coolant temperature (ECT) is at least 158° F (70° C).
SSM 511472022-10-25. Service bulletin. EXTERIOR LIGHTING. Some 2020-2022 F-Super Duty vehicles equipped with halogen headlamps may utilize a snow plow with light emitting diode (LED) headlamps. To change the vehicle configuration from halogen to LED headlamps, run the BCM-Turn Signal Lamp Configuration application using the latest software level of the Ford Diagnosis and Repair System (FDRS). Vehicles configured to use LED headlamps incorrectly may cause premature halogen bulb failure.
SSM 511312022-10-19. Service bulletin. UNKNOWN OR OTHER; COMMUNICATION:MANUFACTURER TELEMATICS. Some 2020-2022 Ford and Lincoln vehicles equipped with a telematic control unit (TCU) may exhibit inoperative remote features via Ford Pass/Lincoln Way mobile app, incomplete user authorization, and/or modem electronic serial number (ESN) could not be displayed in the center display screen. To correct this condition prior to programming, remove the TCU fuse for 5-minutes then reinstall. Delete all previous session files for the vehicle. Start a new Ford Diagnosis and Repair System (FDRS) session. Perform a TCU provisioning and Program the TCU to the latest FDRS version level. If the concern is still present, follow normal diagnostics in Workshop Manual (WSM), Section 415-00. Refer to PTS OASIS home page for TCU version identification. For claiming, use causal part 14G229 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 511222022-10-11. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. Some 2017-2022 F-250-F-550, 2015-2020 F-150 and 2018-2022 Expedition vehicles without push button start and passive entry may exhibit a condition where it is difficult to insert the ignition key and/or turn it to the accessory position when removing the ignition lock cylinder per the functional lock cylinder service procedure in Workshop Manual (WSM), Section 501-14. This may be due to debris or contamination in the ignition lock cylinder. If this concern occurs, use a suitable shop vacuum to dislodge or remove debris or contamination by placing the vacuum hose over the lock cylinder, without the key installed, for 30 seconds. Insert the ignition key and reattempt turning it to the accessory position for lock cylinder removal. If the key will not turn to the accessory position, continue with the non-functional lock cylinder removal procedure.
SSM 511202022-10-11. Service bulletin. SERVICE BRAKES, HYDRAULIC. Some Ford and Lincoln vehicles may exhibit noise when the brakes are applied. When diagnosing and repairing brake noise conditions, use the Workshop Manual (WSM) and the appropriate pinpoint test in section 206-00. The brake rotors should only be machined if directed by the WSM because one or more of the following conditions are present on the braking surface: scoring, excessive corrosion/rust or pitting, bluing/discoloration and/or heat spots. For additional information, refer to WSM section 206-00.
TSB 22-23492022-09-23. Service bulletin. VISIBILITY; STRUCTURE. This article supersedes TSB 22-2095 to update the vehicles affected. Some 2021-2022 F-150 and F-Super Duty vehicles equipped with a B and O audio system may exhibit the rear window glass sliding panel rattling when in the open position and music is playing. This may be due to a low amount of seal extrusion pressure provided by the rear window glass sliding rail and/or the rear window glass sliding panel defroster wire harness vibrating between the two panels of glass. To correct the condition, follow the Service Procedure to install the rear window glass sliding panel service kit.
SSM 510782022-09-20. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Some 2020-2022 F-Super Duty vehicles equipped with a 6.2L or 7.3L gas engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0339 stored in the powertrain control module (PCM) or the vehicle may exhibit a runs rough concern with no DTCs. This may be due the crankshaft position (CKP) sensor. If pinpoint test JD in the Powertrain Control/Emissions Diagnosis (PC/ED) Manual or Workshop Manual (WSM), Section 303-14 leads to CKP sensor replacement, use service part LC3Z-6C315-C. For claiming, use causal part 6C315 and labor operation 12650D57D in the Service Labor Time Standards (SLTS) Manual.
TSB 22-23382022-09-01. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2022 F-Super Duty vehicles built on or before 01-Aug-2022 and equipped with a 6.7L engine may exhibit rear interior courtesy dome lamps that do not turn off after the doors are shut with the ignition on and/or may intermittently turn on while driving. This may be due to voltage limits in the software in the overhead console. To correct the condition, follow the Service Procedure to replace the overhead console.
21M05 S22022-08-30. Service bulletin. ELECTRICAL SYSTEM. Certain 2017-2022 Model Year Super Duty Vehicles Equipped with a Power Release Tailgate - Unintended Tailgate Opening ;REASON FOR THIS SUPPLEMENT Technical Information: Updated with revised instructions to account for wire color differences across multiple model year vehicles.
TSB 22-23132022-08-23. Service bulletin. ELECTRICAL SYSTEM. This article supersedes TSB 22-2044 to update the Parts List. Some 2020-2022 F-Super Duty vehicles built on or before 18-Mar-2022 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 diagnostic trouble codes (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 to inspect for water/moisture intrusion into the BJB and replace the BJB if water/moisture intrusion is found.
TSB 22-22472022-08-23. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Some 2017-2022 F-Super Duty vehicles may experience a loose/sagging underbody insulator that could be seen or heard by the customer. This may be due to insufficient retention. To correct the condition, follow the Service Procedure to re-secure the insulator and adding additional clamping points.
SSM 509822022-08-15. Service bulletin. EQUIPMENT:ELECTRICAL. Some 2018-2022 Ford/Lincoln vehicles equipped with a wireless charging pad may exhibit one of the following if the customer is using a Magsafe iPhone (iPhone 12 or 13): slow charging, inoperative, notification that the phone has been mispositioned on the charging pad and/or the phone charging icon in the center screen display is not showing. This may be due to a compatibility issue between the customer's phone and the wireless accessory charging module (WACM) that may make it difficult for Ford and Lincoln vehicles to wirelessly charge these specific phones. The phone can still be charged using the USB cable if the vehicle experiences the above symptoms. If the customer is using a Magsafe iPhone such as an iPhone 12 or 13, verify the wireless charging pad works with a Qi certified phone prior to any part replacements.
SSM 509752022-08-02. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 Ford/Lincoln customers may experience a notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. This occurs when the vehicle has not been started for 14 consecutive days, battery voltage is at/below 9.5 volts or the body control module (BCM) 12 volt battery state of charge (SOC) drops below 50%. A warning may also set if the telematic control unit (TCU) has received an over the air update. The TCU powers down all communication when in this mode and app features are disabled. Manually start the vehicle to wake if from mode. More information is located in the app under: Account > Help > search 'Deep Sleep' in the entry box. If the condition remains, check the BCM 12v SOC. If the SOC does not change after charging the battery or after BMS reset is performed, continue with normal battery and/or BMS sensor diagnostics.
SSM 509772022-08-02. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2021-2022 F-Super Duty and 2021-2023 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 module (PCM). This may be due to a loose fuel filler cap. The fuel filler cap design has changed, requiring multiple turns to seal properly. Advise the customer to turn the fuel filler cap clockwise until there is at least one audible click to seal properly. For further diagnostics, refer to Workshop Manual (WSM), Section 303-13 - pinpoint test HX.
SSM 509552022-07-29. Service bulletin. POWER TRAIN. Some 2021-2022 F-Super Duty vehicles equipped with a 10R140 transmission may exhibit harsh or delayed engagement/shift concerns. Most concerns may be addressed with the PCM/TCM Transmission Accelerated Main Control Break In Routine. Refer to Workshop Manual, Section 307-01, DTC Chart and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. This routine cycles the shift solenoids and clutch control valves to remove contamination that may be sticking the valves and must be performed along with an adaptive learning drive cycle before attempting internal service. Although this routine was developed for low mileage vehicles, it has proven effective for resolving many shift and engagement symptoms across the life of the vehicle. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards Manual.
21M05-S12022-07-28. Service bulletin. STRUCTURE:BODY:TAILGATE; LATCHES/LOCKS/LINKAGES; EQUIPMENT. Certain 2017-2022 Model Year Super Duty Vehicles Equipped with a Power Release Tailgate - Unintended Tailgate Opening. In the affected vehicles, some customers report experiencing an unintended tailgate opening and may have previously serviced their vehicle for this concern. Ford had developed an enhanced remedy for customers who may want this enhanced repair performed n their vehicle.
SSM 509372022-07-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Some 2015-2022 F-150, 2017-2022 F-Super Duty and 2018-2022 Expedition/Navigator vehicles may exhibit poor air conditioning (A/C) performance. Workshop Manual (WSM) diagnostic procedures have been updated to more accurately diagnose A/C performance concerns. Refer to the updated Diagnosis and Testing, and General Procedure in the WSM, Section 412-00 Climate Control System for diagnostic procedures
TSB 22-22542022-07-01. Service bulletin. BACK OVER PREVENTION:SOFTWARE. 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, 2021 Bronco Sport and 2020-2022 Explorer/Aviator vehicles with SYNC 3 may experience various SYNC performance related concerns. This may be due to the SYNC Software. To correct the condition, follow the Service Procedure to update the accessory protocol interface module (APIM) software.
SSM 508732022-06-30. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 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 508642022-06-29. Service bulletin. POWER TRAIN. Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the vehicle will not shift out of park (P). Diagnostic trouble codes (DTC) C0040 and/or P0504 may also be present. Reference TSB 22-2044 to make sure that no water or corrosion is present in the battery junction box (BJB). If Pinpoint Test A: Brake Shift Interlock in Workshop Manual (WSM), Section 307-05 leads to a concern with circuit SBP07 (white/red), remove the left side scuff plate from the floor and inspect circuit SBP07 for any damage. If damage is present, repair as necessary. Refer to Wiring Diagram, Cell 005. Submit a Report a Vehicle Concern form at the bottom of the OASIS screen and attach any available pictures to assist with the engineering investigation.
SSM 508562022-06-29. Service bulletin. STRUCTURE:BODY:TAILGATE. Some 2020-2022 F-Super Duty vehicles equipped with power tailgate release may exhibit a perceived inoperative power tailgate latch release function. This may be due to a change to the power tailgate release strategy after the body control module (BCM) has received a software update or the BCM has been replaced. When using the power tailgate release switch in the instrument panel, release switch on the tailgate, or the remote keyless entry (RKE) fob, the power tailgate release switch must be pressed 2 times (2x) within 3 seconds with the transmission in Park for the tailgate to release. If the power tailgate release is still inoperative, refer to Workshop Manual (WSM), Section 501-14 for normal diagnostics.
SSM 508482022-06-29. Service bulletin. POWER TRAIN. Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the vehicle will not shift out of park (P). Diagnostic trouble codes (DTC) C0040 and/or P0504 may also be present. Reference TSB 22-2044 to make sure that no water or corrosion is present in the battery junction box (BJB). If Pinpoint Test A: Brake Shift Interlock in Workshop Manual (WSM), Section 307-05 leads to a concern with circuit SPB07 (white/red), remove the left side scuff plate from the floor and inspect circuit SPB07 for any damage. If damage is present, repair as necessary. Refer to Wiring Diagram, Cell 005. Submit a Report a Vehicle Concern form at the bottom of the OASIS screen and attach any available pictures to assist with the engineering investigation.
SSM 508302022-06-17. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Some 2020-2022 F-Super Duty vehicles equipped with a 7.3L engine and built on or before 11-May-2022 may exhibit a ticking/clicking/tapping noise at idle that is loudest at the front of the engine where the front timing cover meets the oil pan. This may be due to a cracked oil pump drive gear. If the noise originates from the lower front of the engine, remove the accessory drive belt and retest. If the noise is still present, remove the oil pan and rotate the crankshaft 360 degrees to inspect for cracking. If cracked, replace the oil pump drive gear (LC3Z-6306-A).
SSM 508232022-06-17. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT. Some 2021-2022 Super Duty, Navigator, and Expedition vehicles equipped with a power roof opening panel may experience a malfunction or an inoperable condition with the power roof opening panel or sunshade where the initialization procedure may need to be performed. The Workshop Manual (WSM), Section 50117 > General Procedures > Power Roof Opening Panel Initialization is the process of being updated. At this time, when directed in Step 1 to switch the ignition ON, the engine should then be started and allowed to run. When Step 2 is reached and the vehicle is turned back on, the engine should be restarted and allowed to run through completion of the initialization procedure.

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