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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.

By type

By component

By trouble code

Bulletins, newest first
TSB 24-22512024-09-02. Service bulletin. LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This article supersedes TSB 24-2087 to update the vehicle lines, model years affected, action and service procedure. Some 2021-2024 Mustang Mach-E/F-150, 2022-2024 F-150 Lightning/Expedition/Navigator, 2023-2024 Corsair vehicles may exhibit an inoperative BlueCruise and lane centering with DTCs U2018:51 stored in the camera module - rear (CMR) and U0565:86 stored in the image processing module A (IPMA) without DTC U3000:49 stored in the CMR. This may be due to the software level of the CMR. To correct the condition, follow the Service Procedure to reprogram the CMR module using the latest software level of the Ford Diagnosis and Repair System (FDRS).
SSM 527742024-08-16. Service bulletin. UNKNOWN OR OTHER. Some 2020-2024 Escape/Explorer, 2021-2024 F-150, 2022-2024 Maverick and 2024 Nautilus vehicles equipped with a full hybrid electric vehicle (FHEV) powertrain may exhibit a cable connection error screen from the Midtronics xRC-3363 High Voltage Battery Rescue Charger. The xRC-3363 will prompt the technician to verify the low voltage connections when no actual fault is present. This may be due to the software level of the Midtronics xRC-3363 High Voltage Battery Rescue Charger.
SSM 527722024-08-16. Service bulletin. ENGINE. Some 2020-2024 F-150, 2021-2024 Bronco, and 2024 Ranger 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.
24-OTA-DSP-24.AE.AK F-1502024-08-06. Over-the-air update. UNKNOWN OR OTHER. Quality improvements include: -Robustness action to improve the Audio sound system.
SSM 527422024-08-06. Service bulletin. UNKNOWN OR OTHER. Some 2021-2023 F-150 hybrid vehicles equipped with a 3.5L PowerBoost engine and 2022-2023 Maverick full hybrid electric vehicles (FHEVs) may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2C22, P2C23, P237C, P237D, P237E and/or P237F in the powertrain control module (PCM). This may be due to the exhaust heat exchanger actuator.
SSM 527382024-08-06. Service bulletin. UNKNOWN OR OTHER. Some 2021-2024 Bronco/F-150 (non-Lightning) vehicles may exhibit a "Check Charging System" message in the instrument panel cluster (IPC) while the charging system is fully operational and there are no diagnostic trouble codes (DTC) stored related to the charging system. This may be due to the customer using an aftermarket programmer to change body control module (BCM) configuration.
SSM 527212024-08-06. Service bulletin. UNKNOWN OR OTHER. Some 2021 F-150 vehicles equipped with an 8 speaker system (minor feature code IDBAF) may exhibit poor sound quality or distorted sound from all speakers. To confirm a vehicle is built with a certain minor feature code, review the build information by double-clicking the vehicle identification number (VIN) in the upper left corner in the Professional Technician System (PTS). This may be due to a recent update delivered over-the-air (OTA).
SSM 527192024-08-06. Service bulletin. UNKNOWN OR OTHER. Some 2021-2023 F-150 vehicles and 2024 F-150 Lightning vehicles may exhibit modules on the high-speed controller area network 2 (HS-CAN2), high-speed controller area network 3 (HS-CAN3), high-speed controller area network 4 (HS-CAN4) and/or the medium-speed controller area networks (MS-CAN) not responding to the Ford Diagnosis and Repair System (FDRS) and the modules on these networks fail the network test without any diagnostic trouble codes (DTCs) tied to the affected modules. The modules on the flexible data rate controller area network 2 (FD-CAN1) and the high-speed controller area network 1 (HS-CAN1) will communicate with the FDRS. Vehicles equipped with a power opening/closing tailgate may also exhibit an intermittent inoperative power tailgate. This may be due to the gateway module A (GWM) not being configured properly. To correct this condition, download and run the GWM - Gateway Module A (GWM) Configuration application using the latest version of the FDRS. For claiming, use causal part number 14G490 and applicable labor times from Section 10 of the Service Labor Times Standard (SLTS) Manual.
TSB 24-22122024-07-18. Service bulletin. UNKNOWN OR OTHER. This article supersedes TSB 24-2168 to address revised software for 2022-2023 HVAC modules. Some 2021-2023 F-150 vehicles equipped with a gasoline, hybrid or flex fuel engine (non-Lightning, non-diesel) may exhibit inoperative A/C, lack of air flow, and/or evidence of the evaporator freezing. This may be due to the software level of the PCM and heating, ventilation and air conditioning (HVAC) module. To correct this condition, follow the Service Procedure to reprogram the PCM and HVAC module to the latest software level via the Ford Diagnosis and Repair System (FDRS)
OTA BCM-24.6.RF-1502024-07-04. Over-the-air update. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Quality improvements include: -Disable Electric Brake Boost power derate to improve the false positive 'Check Brake System' and 'Charging System Service' warning messages. -Disables the False positive “Charging System Service Soon” and “12V Battery State of Charge Low” warning messages in the cluster.
SSM 526562024-07-03. Service bulletin. UNKNOWN OR OTHER. Some 2021-2024 F-150/Bronco and 2023-2024 Escape/F-Super Duty vehicles built with SYNC 4 require a connected phone with Android Auto or Apple CarPlay active to enable voice interactions and use of the steering wheel voice control button. This is due to the affected vehicles not having built in voice interactions capability. Vehicles with built in voice interaction capability can be identified as also being equipped with the built in connected navigation feature which includes a navigation tab on the center display screen. Diagnostics should only be performed for voice interactions on vehicles equipped with built in voice interaction capability or with Android Auto or Apple CarPlay active.
SSM 526332024-07-03. Service bulletin. UNKNOWN OR OTHER. Some 2020-2024 Escape/Corsair, 2021-2024 Bronco Sport/F-150, and 2022-2024 Maverick vehicles may exhibit a condition where the door(s) do not open using the exterior door handle(s). This may be due to an enabled door reinforcement inertia lock within the exterior door handle. This condition occurs when the doors are closed or opened with excessive force. To correct this condition, follow the door reinforcement inertia lock rest procedure that has been added to Section 501-14 of the Workshop Manual under General Procedures. For claiming, use causal part 78219A64.
24N022024-07-02. Service bulletin. ENGINE. Certain 2021 Model Year F150 Vehicles with 3.0L Diesel Engines 3.0L Diesel Particulate Filter (DPF) Replacement In the affected vehicles, the Malfunction Indicator Light (MIL) may illuminate due to a DPF-related diagnostic trouble code.
TSB 24-21892024-07-01. Service bulletin. POWER TRAIN. Some 2021-2024 F-150 non-Raptor vehicles equipped with 4WD and ESOF transfer case (minor feature code FMLAS) may exhibit an intermittent grinding/hum/rumble noise from the front wheel area while in 2WD that goes away when the vehicle is put into 4WD. These vehicles will also have no diagnostic trouble codes (DTCs) stored in the transfer case control module (TCCM). To confirm a vehicle is built with a certain minor feature code, review the build information by double-clicking the vehicle identification number (VIN) in the upper left corner in the Professional Technician System (PTS). This may be due to incomplete disengagement of the integrated wheel end (IWE) actuator assemblies. To correct this condition, follow the Service Procedure to replace IWE actuator assemblies
SSM 526102024-06-11. Service bulletin. POWER TRAIN. Some 2021-2024 F-150 and 2023-2024 Expedition/Navigator vehicles equipped with a 3.5L EcoBoost engine may exhibit a rattle/scraping noise from the bellhousing area on start-up. This may be due to the torque converter studs contacting the engine-to-transmission spacer plate (separator plate). To correct this condition, remove the transmission and flexplate and inspect the engine-to-transmission spacer plate and torque converter studs for wear/damage. If wear/damage is found, replace the engine-to-transmission spacer plate. Refer to Workshop Manual (WSM) Section 303-01 Engine - 3.5L EcoBoost (BM), Removal and Installation, Crankshaft Rear Seal. When reinstalling the starter motor, make sure the starter is flush with the engine-to-transmission spacer plate prior to tightening the studbolts. Failure to do so may result in damaging the newly installed engine-to-transmission spacer plate.
SSM 526072024-06-10. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2021-2024 F-150 non-Lightning vehicles may exhibit turn signal indicators on the instrument panel cluster (IPC) flashing fast when activated after running the IPC - Towbar Configuration application using the Ford Diagnosis and Repair System (FDRS) scan tool without any exterior turn signals being inoperative. The exterior turn signals will function normally. The IPC - Towbar Configuration application has recently been updated to correct this issue. To correct this condition, download and rerun the latest version of the IPC - Towbar Configuration application using the latest software level of the FDRS scan tool.
TSB 24-21762024-06-07. Service bulletin. UNKNOWN OR OTHER. This article supersedes TSBs 24-2100 and 24-2070 to add 2023 F-150 vehicles, update the TSB Issue statement and the TSB Service Procedure. Some 2021-2023 F-150, 2022-2023 Expedition/Navigator/Mustang and 2020-2023 Transit/Explorer/Aviator vehicles equipped with a 10R80/10R80MHT transmission may exhibit a harsh/delayed engagement and/or harsh/delayed shift, an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to the software in the powertrain control module (PCM) or transmission control module (TCM), the transmission solenoid ID strategy, sticking valves in the main control valve body and/or axial movement of the CDF clutch cylinder (7H351) sleeve. To correct the condition, follow the Service Procedure to identify and correct the condition.
21G01 S42024-06-06. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Certain 2021 Model Year F-150 and Mustang Mach-E Vehicles with Ford Co-Pilot360™ Active 2.0 Prep Package (Includes Ford BlueCruise Prep Kit) - BlueCruise Module Programming
SSM 525742024-06-06. Service bulletin. UNKNOWN OR OTHER. Some vehicles equipped with SYNC4 may exhibit one or more of the following symptoms after all currently available accessory protocol interface module (APIM) software updates have been performed. - General system performance, stability, and intermittent system reboots. - Intermittent Wireless CarPlay or Android Auto function. - Phone related concerns with intermittent No Audio or Static. - Navigation/global positioning system (GPS) related concerns through CarPlay and Android Auto. - Alexa function consistency and stability. These symptoms may be due to the software in the APIM. Replacing the APIM will not resolve these symptoms for the customer. Before returning the vehicle to the customer, review the procedures within Workshop Manual, Section 415-00 and ensure the latest APIM software is installed. Refer to General Service Bulletin (GSB) 23-7146 for help determining the latest available level of software. IMPORTANT: some module software updates will only display as available on Ford Diagnosis and Repair System (FDRS) after prerequisite modules are updated. This may require the technician to update certain modules multiple times during the service visit, before the latest APIM software is accessible in FDRS. If symptoms continue after latest APIM software has been installed, inform customers that Ford is working on additional software enhancements which are expected to be delivered over-the-air (OTA) by Q4 2024 on F-150, F-150 Lightning, Mustang Mach-E, Mustang, Escape, Corsair, Expedition, Navigator, Bronco, Mustang, and 2023-2024 F-Super Duty. Software will update automatically if vehicle connectivity is enabled in the vehicle's settings. For all other vehicles with SYNC4, schedule a service visit for customers in October 2024, when the updated APIM software is expected to be available to dealers. Monitor OASIS for additional information.
TSB 24-21682024-06-04. Service bulletin. UNKNOWN OR OTHER. This article supersedes TSB 21-2126 to address the revised software and include affected 2023 3.3L vehicles. Some 2021-2023 F-150 vehicles equipped with a gasoline, hybrid or flex fuel engine (non-Lightning) may exhibit inoperative A/C, lack of air flow, and/or evidence of the evaporator freezing. This may be due to the software level of the PCM and heating, ventilation and air conditioning (HVAC) module. To correct this condition, follow the Service Procedure to reprogram the PCM and HVAC module to the latest software level via the Ford Diagnosis and Repair System (FDRS).
TSB 24-21642024-06-04. Service bulletin. UNKNOWN OR OTHER. Some 2021 F-150 vehicles may not be able to complete a state emissions test due to the vehicle not being identified and/or not communicating with the emissions testing equipment. This may be due to the gateway module A (GWM). To correct the condition, follow the Service Procedure to reprogram the GWM software using the latest software version of the Ford Diagnosis and Repair System (FDRS) scan tool.
SSM 525482024-05-23. Service bulletin. POWER TRAIN. Various vehicles equiped with 10R80/10R80 MHT/10R100/10R140 transmissions may require replacement of the seal kits (7153) when internal repairs are being performed. These kits come with 4 wheel drive (4WD) seals and will no longer include the 2WD seals. When working on a 2WD vehicle, any 2WD seals must be ordered separately. Refer to the parts catalog for the proper 2WD seals required.
SSM 525432024-05-23. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2024 F-150-3.5L FHEV, 2020-2024 Explorer 3.3L FHEV, 2020-2024 Escape 2.5L FHEV, and 2022-2024 Maverick 2.5L FHEV vehicles may exhibit an illuminated MIL with DTC P237F and/or P2C23 stored in the powertrain control module (PCM) and no affect on drivability. This may be due to seal damage, corrosion and/or water intrusion in the exhaust coolant temperature (ECT) sensors 3 and/or 4 connector. Visual inspection should be completed on ECT3 and ECT4 sensors and mating connections for seal damage, water intrusion, and corrosion. If seal damage, water intrusion or corrosion is present, repair per cell 5 of the Wiring Diagram, then apply Motorcraft® XG-12 Electrical Grease to the female/vehicle side of the harness. This inspection of ECT3 and ECT4 sensors should be completed prior to starting the appropriate pinpoint test in Section 303-03 of the Workshop Manual (WSM). If DTCs P237F and/or P2C23 do not return, no further action is necessary and the replacement of the entire exhaust heat exchanger assembly is not required. If P237F and/or P2C23 returns, follow the pinpoint test in Section 303-03 of the WSM for further diagnostics.
OTAPU0302CLSTBG2024-05-06. Service bulletin. ELECTRICAL SYSTEM. Quality improvements include: -Trailer brake gain in towing menu output will show under cluster.
TSB 24-21262024-05-04. Service bulletin. EQUIPMENT. This article supersedes TSB 24-2093 to address the revised software and include affected 3.5L FHEV vehicles. Some 2021-2023 F-150 vehicles equipped with a gasoline, hybrid or flex fuel engine (non-Lightning) except 2023 F-150 with 3.3L may exhibit inoperative A/C, lack of air flow, blows warm, and/or evidence of the evaporator freezing. This may be due to the software level of the PCM and heating, ventilation and air conditioning (HVAC) module.

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