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Service bulletins for the 2021 Ford F-150

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.

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

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By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
TSB 23-21542023-05-23. Service bulletin. BACK OVER PREVENTION:SOFTWARE; POWER TRAIN. 2021-2022 F-150 vehicles with 2.7L, 3.3L, 3.5L EcoBoost or 5.0L engines, 2020-2022 Transit vehicles with 3.5L Duratec/3.5L EcoBoost engines, 2021-2023 Bronco with the 2.3L or 2.7L engine having charging system diagnostics performed in the Workshop Manual (WSM) may experience the generator voltage desired (GENVDSD) parameter identification (PID) missing from the powertrain control module (PCM) PID list in the Ford Diagnosis And Repair System (FDRS) scan tool. This may be due to a software parameter in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
TSB 23-21302023-05-17. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. Some 2021-2023 F-150 vehicles may exhibit a no crank/no start with a battery draw and air conditioning (A/C) clutch engaged at all times. This may be due to an opened diode in the A/C clutch damaging the output driver (FET) in the body control module C (BCMC). To correct the condition, follow the Service Procedure to replace the BCMC and A/C clutch disc and hub assembly.
SSM 515422023-05-04. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Some 2020-2023 F-150 and 2021-2023 Bronco vehicles equipped with a 2.7L or 3.0L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to a stuck internal component of the variable cam timing (VCT) unit. To correct the condition, replace all 4 of the VCT units following Workshop Manual (WSM), Section 303-01. For claiming, use causal part 6C525 and applicable labor operations in Section 6 of the Service Labor Time Standards (SLTS) Manual. If labor times are not available, claim M-time.
SSM 515312023-05-04. Service bulletin. POWER TRAIN. Some 2020-2023 Explorer/Aviator/Transit, 2021-2023 F-150/Bronco, 2022-2023 Expedition/Navigator/Mustang and 2023 F-250/F-350 Super Duty vehicles may exhibit harsh/delayed engagement and/or harsh/delayed shift concerns. These may be addressed with the powertrain control module (PCM)/transmission control module (TCM) Transmission Accelerated Main Control Break In Routine and/or a main control overhaul. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart if DTCs are present and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. Cycling the shift solenoids and clutch control valves to remove contamination must be performed along with an adaptive drive cycle before attempting repair. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
SSM 515092023-04-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2021-2023 F-150 vehicles equipped with a 3.3L engine may exhibit an illuminated MIL in the instrument panel cluster (IPC) with DTC P0171 stored in the powertrain control module (PCM). This may be due to the software of the PCM. Engineering is currently investigating this concern. To temporarily address this issue, clear the DTC and run the PCM - Reset the Keep Alive Memory (KAM) application in the Ford Diagnosis and Repair System (FDRS). Inform the customer they can continue to drive the vehicle. Monitor OASIS for additional updates.
SSM 514192023-04-04. Service bulletin. POWER TRAIN. Some 2017-2023 Ford and Lincoln vehicles equipped with a 10R60/10R80/10R80 MHT/10R100 transmission may exhibit a whine noise at idle and/or while driving. This may be identified as coming from the bellhousing and the front of the transmission fluid pan. The whine noise may become louder when the transmission is at operating temperature and may increase with engine revolutions per minute (RPM) in the park (P) position. A small amount of whine noise is considered to be characteristic of the 10R60/10R80/10R80 MHT/10R100 transmissions due to the offset gear drivetrain in the front support and has no effect on durability.
TSB 23-20312023-04-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Some 2021-2022 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P2C44:00 stored in the powertrain control module (PCM). This may be due to the software in the PCM and the auxiliary battery isolator. To correct the condition, follow the Service Procedure to reprogram the PCM and replace the auxiliary battery isolator.
TSB 23-20302023-01-31. Service bulletin. POWER TRAIN. 2020-2022 Aviator/Explorer/Police Interceptor, 2021-2022 F-150 vehicles equipped with a 10R80 MHT transmission and built on or before 15-Nov-2022 may exhibit an 8th gear start after coming to a stop and/or a no movement in Reverse condition. This may be due to the driver applying the accelerator pedal and brake pedal simultaneously during regenerative braking. To improve the condition, follow the Service Procedure to reprogram the powertrain control module (PCM) and refer the customer to the Automatic Transmission Section of the Owners Manual warning regarding applying both pedals simultaneously.
TSB 23-20152023-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING. 2021-2022 F-150 vehicles with 2.7L, 3.3L, 3.5L EcoBoost or 5.0L engines, 2020-2022 Transit vehicles with 3.5L Duratec/3.5L EcoBoost engines, 2023 Bronco with the 2.3L engine having charging system diagnostics performed in the Workshop Manual (WSM) may experience the generator voltage desired (GENVDSD) parameter identification (PID) missing from the powertrain control module (PCM) PID list in the Ford Diagnosis And Repair System (FDRS) scan tool. This may be due to a software parameter in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
TSB 22-24842023-01-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Some 2021 F-150 vehicles equipped with a 5.0L engine built on or before 23-Apr-2021 may exhibit a no crank/no start with no powertrain control module (PCM) communication condition if the oil life is at or less than 20%. This may be due to various parameters within the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
TSB 22-24832023-01-05. Service bulletin. POWER TRAIN. Some 2021-2022 F-150 vehicles equipped with a 10R80 MHT transmission and built on or before 13-Oct-2022 may exhibit a rattle noise from the transmission area after a cold start in freezing temperatures. The noise typically goes away as the powertrain warms up. To improve the cold start noise condition, follow the Service Procedure to reprogram the PCM.
SSM 510492022-08-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); UNKNOWN OR OTHER. Some 2021-2022 F-150 vehicles equipped with a 2.7L EcoBoost engine may experience and illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2ABA, P2ABC, P2AB7 and/or P2AB9 stored in the PCM. This condition does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. If no other DTCs or drivability symptoms are present, clear the DTCs and return the vehicle to the customer. Inform customers that they can continue to drive the vehicle and engineering is currently working on a solution for this condition that is expected in October 2022. Monitor OASIS for additional information and schedule service appointments for customers once the repair becomes available.
SSM 509762022-08-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM. Some 2021-2022 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated powertrain malfunction (wrench) indicator with DTC P2C44:00 stored in the powertrain control module (PCM). This may be due to an issue with ground circuit GD132 or the auxiliary battery isolator. Perform Pinpoint Test I in Workshop Manual (WSM), Section 303-06D and make sure the integrity of GD132 is carefully inspected and tested with the inclusion of G102, C146 and C1989C. Then perform the Auxiliary Battery Conditions(s) Test in WSM, Section 414-01, Pinpoint Test B. If no issues are found in Pinpoint Test I, GD132 and the auxiliary battery condition test passes, replace the auxiliary battery isolator per WSM, Section 414-01. For claiming, use causal part 14526 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 508852022-06-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 2020-2022 Explorer/Aviator and 2021-2022 F-150 hybrid vehicles equipped with a 10R80 MHT require the Transmission Strategy Download application in the Ford Diagnosis and Repair System (FDRS) to be run after certain transmission or module repairs. The Transmission Strategy Download routine is failing in FDRS levels 32.5.3 and 32.5.4. The FDRS development team is working to resolve this in a future release of FDRS. In the meantime, uninstall FDRS from the computer using the select all function to remove all data and recordings. Reinstall the older FDRS version 31.6.5 using this url - http://www.fordservicecontent.com/Ford_Content/IDS/FDRS/FDRS_31.6.5.exe Once 31.6.5 is installed, download and run the Transmission Strategy Download application.
TSB 22-22242022-06-13. Service bulletin. POWER TRAIN. Some 2021-2022 F-150 vehicles equipped with a 2.7L EcoBoost, 3.5L EcoBoost, or 3.5L PowerBoost and built on or before 12-May-2022 may exhibit a vibration/shudder felt during light throttle tip in at highway speeds (8,9,10 gear) and no diagnostics trouble codes (DTCs) present. This may be due to various software parameters in the powertrain control module (PCM). To correct the condition, follow the Service Procedure to reprogram the PCM.
SSM 507992022-05-24. Service bulletin. POWER TRAIN. Some 2021-2022 F-150 vehicles equipped with the rear 3/4 floating axle and with less than 5,000 miles (8,000 km) built on or before 10-Feb-2022 may exhibit various warning messages displayed/illuminated warning indicators in the instrument panel cluster (IPC) with anti-lock brake system (ABS) diagnostic trouble codes (DTCs) C0036, C0037 and/or U1012 in the anti-lock brake system (ABS) module. This may be due to metal contamination found on the axle wheel speed sensors or axle shaft tone ring. To correct the condition, refer to Workshop Manual (WSM), Section 205-02C to remove and clean rear axle housing tubes, axle shaft-tone ring and speed sensor.
TSB 22-21542022-05-12. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE:FUEL LEVEL FLOAT/SENSOR/SENDING UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. This article supersedes TSB 22-2050 to update the Issue and Action. Some 2021 F-150 vehicles equipped with a low-level instrument panel cluster (IPC) which has a 4.2-inch display may experience erratic operation of the Eco-Coach feature, or this feature may be missing and/or the transmission temperature gauge reading inaccurate. This may be due to software parameters in the IPC. To correct the condition, follow the Service Procedure to reprogram the IPC. NOTE: The IPC software update that addresses the symptom listed in this bulletin may have been sent via Ford Power-Up software updates delivered over-the-air (OTA) to connected vehicles that have automatic updates enabled through the SYNC 4 screen. Enter the vehicle identification number (VIN) in Professional Technician System (PTS) and check the OTA Dashboard under the Connected Vehicle tab for OTA update history. If an update to the IPC has successfully completed recently and the customer is reporting the symptoms are no longer present, this article may not apply.
TSB 22-21512022-04-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine and built on or before 23-Apr-2021 may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0301-P0306, P0316, P050E, P1674, P0454 and/or P2451 stored in the powertrain control module (PCM). This may be due to various software parameters within the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
SSM 507002022-04-20. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2021 F-150 vehicles equipped with a 5.0L engine and built on or before 9-Apr-2021 may exhibit a no crank/no start with no powertrain control module (PCM) communication condition if the oil life is at or less than 20%. This may be due to various parameters within the PCM. To restore PCM communication and correct the condition, follow the service procedure in Customer Satisfaction Program 21B37.
SSM 506612022-04-13. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Some 2018-2022 F-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with Diagnostic Trouble Codes (DTCs) P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs or loose/corroded grounds. Inspect FPCM connector, applicable grounds (F-150- G401, Expedition/Navigator- G403, Transit- G401, 2018-2019 Explorer G302, 2020-2022 Explorer/Aviator- G407) and confirm FPCM connector (F-150- C4336, Expedition/Navigator- C433, Transit- C433, 2018-2019 Explorer C3239, 2020-2022 Explorer/Aviator- C4033) is fully seated prior to performing PC/ED diagnostics or replacing any components.
SSM 506142022-03-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN; ELECTRICAL SYSTEM. Some 2021-2022 F-150 vehicles equipped with a 3.5L PowerBoost engine and built on or before 31-Jan-2021 may experience an illuminated malfunction indicator lamp (MIL) with diagnostics trouble codes (DTCs) P04F0 And/Or P04EE stored in the PCM. This may be due to the fuel tank pressure (FTP) sensor becoming unseated from it's mount on the evaporative (EVAP) tube that connects to the top of the fuel pump and sender unit, causing an EVAP system leak near the top of the fuel tank. If the sensor is found to be unseated, resecure the sensor by pressing the sensor down vertically and retest. If the concern is resolved, the 9D683 assembly needs to be replaced due to the sensor retainers becoming weak. Refer to Workshop Manual, Section 303-13D. For claiming, use causal part 9D683 and applicable labor operations in Section 09 of the Service Labor Time Standards (SLTS) Manual.
SSM 505292022-02-23. Service bulletin. POWER TRAIN. Some 2021-2022 Bronco/F-150/Explorer/Aviator/Police Interceptor Utility and 2022 Transit vehicles may exhibit harsh/delayed engagement and/or harsh/delayed shift concerns. These may be addressed with the powertrain control module (PCM)/transmission control module (TCM) Transmission Accelerated Main Control Break In Routine and/or a main control overhaul. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart if DTCs are present and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. Cycling the shift solenoids and clutch control valves to remove contamination must be performed along with an adaptive drive cycle before attempting repair. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
21B37-S12022-01-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Certain 2021 Model Year F-150 Vehicles with a 5.0L Engine Powertrain Control Module (PCM) Calibration for Oil Minder Update Program Terms: The program expiration date has been extended through September 30, 2022. Follow Up Owner Notifications: Owner letters advising of the extended expiration date will be sent.
TSB 21-24342022-01-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2020-2022 Explorer/Aviator/Police Interceptor Utility vehicles and 2021 F-150 vehicles equipped with a 10R80 MHT automatic transmission may exhibit a harsh/delayed engagement and/or a harsh/delayed shift with or without an illuminated malfunction indicator lamp (MIL) or diagnostic trouble codes (DTC) P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6, P07F7, P2700, P2701, P2702, P2703, P2704 and/or P2705 stored in the powertrain control module (PCM). This may be due to sticking valves in the main control valve body. To correct the condition, follow the Service Procedure steps to perform the PCM - Transmission Accelerated Main Control Break In routine for the appropriate clutch(s) and/or overhaul the main control valve body.
SSM 503292021-12-26. Service bulletin. POWER TRAIN. Some 2021 Bronco/F-150/Explorer/Aviator/Police Interceptor Utility vehicles, non-hybrid, may exhibit harsh/delayed engagement and/or harsh/delayed shift concerns. These may be addressed with the powertrain control module (PCM)/transmission control module (TCM) Transmission Accelerated Main Control Break In Routine. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. Cycling the shift solenoids and clutch control valves to remove contamination must be performed along with an adaptive drive cycle before attempting repair. This routine's usage has been expanded for various 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 (SLTS) Manual.

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