Service bulletins for the 2020 Ford F-550
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.
312 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| TSB 23-2160 | 2023-05-29. Service bulletin. POWER TRAIN. Some 2020 F-Super Duty vehicles equipped with a 6.2L or 7.3L engine and a 10R140 transmission may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P07F7 stored in the powertrain control module (PCM) and a loss of 10th gear. The vehicle may also exhibit harsh engagements and poor shift quality. This may be due to the sleeve in the CDF clutch cylinder shifting axially causing hydraulic circuit leaks. To correct the condition, follow the Service Procedure to replace the CDF clutch cylinder. |
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| SSM 51536 | 2023-05-04. Service bulletin. STRUCTURE. For 2000-2024 Ford and Lincoln vehicles, swapping a module from a vehicle for diagnosis purposes is likely to cause errors and is not recommended. It is also not recommended to order a replacement module using a vehicle identification number (VIN) from a different vehicle. Most modules on these affected vehicles are VIN/vehicle specific and hardware variations between modules do exist. Swapping a module from a vehicle or ordering a module using a different vehicle/VIN can cause ineffective repairs and additional vehicle down time. Make sure all appropriate Workshop Manual (WSM) procedures are followed when diagnosing the condition prior to all module replacements and only order modules using the correct VIN. |
| TSB 23-2133 | 2023-05-04. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2022 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 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 and cover if water/moisture intrusion is found. |
| TSB 23-2115 | 2023-05-04. Service bulletin. EQUIPMENT. Some 2015-2020 F-150 and 2017-2022 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) or heating ventilation and air conditioning (HVAC) module. To correct the condition, follow the Service Procedure to remove the climate control housing and replace the temperature door cam(s), lubricate the temperature blend door bearing surface, and apply flock tape to actuator to seal out debris. |
| SSM 51449 | 2023-04-05. Service bulletin. EQUIPMENT:ELECTRICAL. Some 2020-2023 Ford and Lincoln SYNC3 equipped vehicles may experience an inaccurate notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. Vehicle Has Entered Deep Sleep Mode message is expected if 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%. If the vehicle is going into deep sleep outside these conditions, this may be due to the telematics control unit (TCU) software. To correct this condition, follow the Service Procedure to update the TCU to the latest software. For claiming, use causal part 14G229 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual. |
| SSM 51432 | 2023-04-04. Service bulletin. PARKING BRAKE. 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. |
| TSB 23-2082 | 2023-04-04. Service bulletin. POWER TRAIN; BACK OVER PREVENTION:SOFTWARE. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0315, P054F, P054E, P2A00, P2A01, and/or P02ED stored in the powertrain control module (PCM). This may be due to the software in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM and the transmission control module (TCM). |
| TSB 23-2076 | 2023-04-04. Service bulletin. POWER TRAIN. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with cylinder injection pulse offset diagnostic trouble codes (DTC) P2B11, P2B13, P2B15, P2B17, P2B19, P2B1B, P2B1D, and/or P2B1F stored in the powertrain control module (PCM) after various fuel system repairs. This may be due to incorrect learned values in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM, reprogram the transmission control module (TCM), and perform the Reset Minimum Fuel Mass Adaptions All Cylinders. |
| SSM 51330 | 2023-03-03. Service bulletin. ENGINE AND ENGINE COOLING. Some 2020-2022 F-Super Duty vehicles equipped with a 7.3L engine 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 51316 | 2023-02-02. Service bulletin. POWER TRAIN. Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P1674 stored in the transmission control module (TCM). This may be due to a discharged battery and/or low battery state of charge. Before performing normal diagnostics in Workshop Manual (WSM), Section 307-01, charge and test the battery/batteries using the Ford approved battery test equipment listed in the Ford Warranty and Policy Manual. Replace the battery/batteries if directed by the test equipment. Clear DTCs and perform the self test again. If P1674 returns, refer to WSM, Section 307-01 for normal diagnostics. If P1674 does not return, use the Report a Vehicle Concern link at the bottom of OASIS to submit a report that will assist with the engineering investigation. |
| SSM 51265 | 2023-01-06. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; EQUIPMENT. Some vehicles equipped with power folding mirrors may exhibit power folding mirrors that are inoperative or exhibit a clicking sound. This may be due to the mirrors being manually folded in, during transportation, going through a car wash, bumped in a parking lot, or found during pre-delivery inspection (PDI). Prior to the replacement of any components, attempt to synchronize the mirrors by following the Power Mirrors Synchronization procedure. Refer to Workshop Manual (WSM) Section 501-09 Rear View Mirrors - General Procedures - Power Mirrors Synchronization. |
| SSM 51263 | 2023-01-06. Service bulletin. BACK OVER PREVENTION; STRUCTURE:BODY:DOOR. Some 2015-2023 F-150, 2017-2022 F-Super Duty, and 2019-2023 Ranger vehicles may exhibit dust ingress into the cabin through the doors or air extractors. This may be due to the climate control system being in recirculation mode as a result of the recirculation button being on or automatic strategies for heating/cooling efficiency. To minimize dust ingress when driving in off-road or secondary road conditions, make sure that all doors and windows are fully closed and the climate control system is switched to defrost on and the instrument panel and footwell air vents are switched to off. Temperature and fan settings may be adjusted as desired. Alternatively, max defrost can be activated which will adjust all settings automatically. Operating in defrost mode will keep constant air flow through the rear air extractors and other small areas, helping minimize dust ingress. |
| SSM 51261 | 2023-01-06. Service bulletin. SERVICE BRAKES. 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. |
| SSM 51251 | 2023-01-05. Service bulletin. ENGINE AND ENGINE COOLING. Some 2011-2022 F-Super Duty vehicles equipped with a 6.7L diesel engine may exhibit a ticking noise at idle after an engine oil change. It is often referred to as Typewriter Noise because of its similarity to the sound of a mechanical typewriter. When engine temperatures reach 150 °F (65 °C) or higher, (from engine idle up to approximately 1700 RPM's), this noise can typically be heard at the front wheel well and is often isolated to the transmission bell housing or oil pan area. Typewriter Noise is not detrimental to engine function or durability and has no short or long term effects on the engine. Do not attempt repairs to eliminate this noise. This noise is characteristic of the 6.7L diesel engine and will typically cease or diminish significantly within the oil change maintenance interval. |
| SSM 51228 | 2023-01-05. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS. Some 2020-2023 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. |
| TSB 22-2485 | 2023-01-05. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:WIRELESS CHARGER/CRADLE. Some 2020-2021 Expedition/Navigator, 2020-2022 F Super Duty/Explorer, 2021-2022 Bronco/Corsair/Escape/Bronco Sport, 2022 Maverick vehicles may exhibit the wireless charger inoperative or poor performance when using some Apple iPhone models that use MagSafe wireless charging including iPhone 12 and 13. This may be due to limited compatibility with the wireless accessory charging module (WACM). To correct the condition, follow the Service Procedure to update the WACM. Note: The WACM software is designed to improve the compatibility between some Apple MagSafe charging iPhones, including iPhone 12 and 13 models, and the Ford Qi wireless charging module. |
| 21M05 S3 | 2022-12-02. Service bulletin. LATCHES/LOCKS/LINKAGES:FUELING/CHARGING DOOR/HATCH/PORT:LATCH/LOCK RELEASE SYSTEM; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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 wiring harness changes that were implemented into production and changes to the tailgate latch control assembly removal and installation procedures. As a result, the Labor Allowances and Parts Requirements / Ordering Information have also been updated accordingly. Parts Requirements/Ordering Information: All parts are on open order. Special Service Support Center (SSSC) contact is no longer required to order tailgate actuator ground wiring kit. |
| TSB 22-2443 | 2022-12-02. Service bulletin. UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. This article supersedes TSB 22-2313 to update the Parts List, Service Procedure, and vehicle production fix dates. Some 2020-2022 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 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 and cover if water/moisture intrusion is found. |
| SSM 51185 | 2022-11-30. Service bulletin. STRUCTURE:BODY:TAILGATE. Some 2015-2022 F-150 and 2017-2022 F-Super Duty vehicles may experience issues with the tailgate center step moulding. If there is an issue with the center molding (warped, damaged condition, loose, or if the molding is missing), the trim cover is now available separately. It is no longer necessary to replace the entire rear step assembly (402A48). |
| SSM 51170 | 2022-11-29. 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. |
| TSB 22-2394 | 2022-11-01. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LOCK. 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 to replace the affected actuator. |
| TSB 22-2389 | 2022-11-01. Service bulletin. WHEELS. Some 2017-2020 F-Super Duty vehicles equipped with dual rear wheels (DRW) and 17 inch aluminum wheels may exhibit a loss of tire pressure from the valve stem sealing area of the front wheels. This may be due to corrosion of the wheel preventing the valve stem from sealing properly. To correct the condition, follow the Service Procedure to clean the corrosion from the valve stem sealing area of the affected wheel. |
| SSM 51150 | 2022-10-31. 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 51147 | 2022-10-25. 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 51131 | 2022-10-19. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.