2021 Ford F-150 Technical Service Bulletins

645 technical service bulletins (TSBs) are on record for the 2021 Ford F-150. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10254173Apr 26, 2024Electrical system. This article supersedes TSB 23-2276 to update the Title, Issue Statement, and Action Statement to clarify the vehicle applications. Some 2021-2023 F-150 vehicles equipped with a 2 kilowatt (kW) (not 400 watt (W)) direct current/alternating current converter module A (DCACA) inverter (minor feature code HUKAK) may exhibit an illuminated tire pressure monitoring system (TPMS) indicator with diagnostic trouble code…
• 10254142Apr 25, 2024Other or unknown. Some 2018-2019 Explorer and 2018-2024 Transit/F-150/Expedition/Navigator vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0627, P025A, P025B, P00C6, P008A and/or U0109 stored in the powertrain control module (PCM). Diagnosis should include checking for an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs, damaged…
• 10254138Apr 24, 2024Equipment. All accessory stick-on keyless entry keypads come with a wallet card containing the master code. If the accessory keypad was factory installed, this card will be placed in the glove box and should be handed to the vehicles owner during initial delivery. Unlike the integrated (wired) factory keypad, the accessory keypad master code cannot be retrieved from the vehicle using a diagnostic scan tool. If the wallet…
• 10254134Apr 23, 2024Latches, locks and linkages. Some 2021-2024 F-150 vehicles may exhibit a side door ajar and/or a hood ajar warning message displayed in the instrument panel cluster (IPC) with or without diagnostic trouble codes (DTC) P166B, B1175, B1176, B11C1 and/or B11C0. This may be due to a misalignment of the the door or hood and/or their strikers. Before attempting any component diagnosis or replacement, check the door and/or hood and their strikers for…
• 10254132Apr 23, 2024Other or unknown. Some 2021-2023 F-150 vehicles may exhibit DTCs B1D08 And/Or B1D09 stored in the trailer module (TRM) with a Trailer Brake System Fault See Manual message in the instrument panel cluster (IPC) when a trailer is not connected to the vehicle. This may be due to water intrusion at the back side of the trailer tow connector. Disconnect connector C4099 from the back of the trailer tow connector (14489).
• 10254162Apr 19, 2024Electrical system. Some 2021 F-150 Non-Raptor vehicles may exhibit inoperative highbeam(s) after using the Ford Diagnosis and Repair (FDRS) scan tool to perform the BCM - Local Interconnect Network (LIN) New Module Initialization application and cannot complete BCM configuration with DTCs B14E5:55 and/or B14E7:55 stored in the BCM. This may be due to the configuration of the BCM.
• 10254122Apr 15, 2024Engine cooling. Some 2020-2024 F-150 and 2021-2024 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…
• 10254326Apr 12, 2024Electrical system. Quality improvements include: -Trailer brake gain in towing menu output will show under cluster.
• 10253552Apr 3, 2024Other or unknown. Various vehicles have had pinpoint tests, guided routines and the Warranty and Policy Manual recentlyupdated for diagnostics and repairs on SYNC generation 3 and later applications. When performingdiagnostics and repairs on SYNC Gen 3 or later, select the diagnostics tab and search for related symptoms,DTCs and keywords. The search results will be shown in the search results pane.
• 10252673Mar 29, 2024Transmission and drivetrain. This article supersedes TSB 24-2059 to update the Service Procedure LTIS statement. Some 2021-2022 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) that are stored in the…
• 10252670Mar 29, 2024Electrical system, Transmission and drivetrain. Some 2021-2022 F-150 non-Lightning vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator and Service Vehicle Soon message in the instrument panel cluster (IPC) with diagnostic trouble code (DTC) U031D in the powertrain control module (PCM) and no other drivability concerns. This may be due to the configuration of the PCM.
• 10252667Mar 26, 2024Electrical system, Visibility (wipers, defrost, mirrors). Some 2021-2023 F-150 vehicles equipped with a gasoline or flex fuel engine (non-Lightning/non-PowerBoost) 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.
• 10252712Mar 20, 2024Electrical system. Quality improvements include: -Disable the DID configuration that is causing a False Positive DTC. It is a DID Configuration update only.
• 10252635Mar 17, 2024Transmission and drivetrain. Some 2021-2022 F-150 non-Lightning vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator and Service Vehicle Soon message in the instrument panel cluster (IPC) with diagnostic trouble code (DTC) U031D in the powertrain control module (PCM) and no other drivability concerns. This may be due to the configuration of the PCM.
• 10252699Mar 15, 2024Equipment. Quality Improvements include: - Fix the infrequent random audio noises issue and improve the audio quality of the vehicle.
• 10252708Mar 14, 2024Electrical system. Quality Improvements include: -Eliminates potential Emergency Parking Brake activation when wire harness experience a short. -Robustness action in operation of vehicle to detect low-state-of-charge battery and prevent engine stall, as well as provide improved warning to customers when low-state-of-charge conditions exist.
• 10252662Mar 13, 2024Transmission and drivetrain. This article supersedes TSB 23-2351 to remove 2023 F-150 10R80 and 10R80 MHT vehicle applications. The 2023 F-150 10R80 and 10R80 MHT vehicles will be the subject of a separate article.
• 10252621Mar 12, 2024Transmission and drivetrain. Some 2021-2023 F-150 vehicles may exhibit DTC C0604:00 stored in the powertrain control module (PCM) and may have an Active Air Dam System Fault See Manual message displayed in the instrument panel cluster (IPC). To correct this condition, clear and retest for the DTC C0604:00. If DTC C0604:00 returns, refer to Workshop Manual (WSM) Section 501-19 Bumpers, Diagnosis and Testing for additional diagnosis.
• 10251952Mar 6, 2024Engine cooling. For 2015-2024 Ford and Lincoln vehicles equipped with turbocharged engines and customer concern of an engine oil leak, refer to Workshop Manual (WSM), Section 303-00 for oil leak inspection and testing methods. Ford has evaluated turbochargers replaced for oil leak symptoms and although oil may collect on the external surface of a turbocharger, it is extremely rare for a turbocharger assembly to be the root cause…
• 10251951Mar 6, 2024Engine cooling. Some 2011-2024 Mustang and F-150 vehicles equipped with a 5.0L engine may exhibit a tick tap and/or typewriter 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. The noise in question may be heard on some engines when engine temperatures reach 150°F (65°C) or higher and engine speed is at idle up to…
• 10251947Mar 4, 2024Equipment. Some 2021-2024 Bronco/F-150, 2023-2024 Escape/F-Super Duty vehicles equipped with SYNC 4 may experience a concern during accessory protocol interface module (APIM) programming where the vehicle's center display screen indicates USB Error. This may be due to a lack of memory space available to perform the APIM software update. If it is a memory concern, the Ford Diagnosis and Repair System (FDRS) will provide an…
• 10251934Mar 1, 2024Transmission and drivetrain. During service and repair requiring removal and replacement of a crankshaft bolt and/or crankshaft damper, achieving proper torque of the crankshaft pulley bolt is critical. Incorrect torque may allow the bolt to loosen resulting in the timing gear breaking and engine damage. Replacement of the bolt is critical to the repair and accurately following the installation procedure in the Workshop Manual (WSM) Section…
• 10251933Mar 1, 2024Other or unknown. Some 2021-2023 F-150 vehicles may exhibit DTCs B1D08:11 and/or B1D09:11 stored in the trailer module (TRM) with a Trailer Brake System Fault See Manual message in the instrument panel cluster (IPC) when a trailer is not connected to the vehicle. This may be due to water intrusion at the back side of the trailer tow connector. Inspect connector C4099 and the trailer tow connector (14489) for signs of corrosion or…
• 10250847Feb 26, 2024Transmission and drivetrain, Engine cooling. Some 2021-2023 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…
• 10250833Feb 21, 2024Other or unknown. Some 2021-2023 F-150 vehicles may exhibit DTCs B1D08:11 and/or B1D09:11 stored in the trailer module (TRM) with a Trailer Brake System Fault See Manual message in the instrument panel cluster (IPC) when a trailer is not connected to the vehicle. This may be due to water intrusion at the back side of the trailer tow connector. Inspect connector C4099 for signs of corrosion or damage.
• 10251464Feb 15, 2024Electrical system. This article supersedes TSB 24-2020 to add minor feature code HUKAJ to the required vehicle criteria. Some 2021-2023 F-150 vehicles equipped with the minor feature code HUKAJ (400 watt direct current/alternating current (DC/AC) inverter system with a pickup bed alternating current (AC) power outlet socket) may experience the DC/AC inverter system inoperative with diagnostic trouble code (DTC) B1330:9A stored in the…
• 10250306Feb 9, 2024Engine cooling, Transmission and drivetrain. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost hybrid engine, 2020-2023 Explorer vehicles equipped with a 3.3L hybrid engine and 2020-2023 Aviator vehicles equipped with a 3.0L hybrid engine may exhibit a malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0A1E stored in the powertrain control module (PCM) and auto start/stop disabled. This may be due to a loose wiring connection to…
• 10251477Feb 6, 2024Electrical system, Back-over prevention (rear camera). Software Update PU1009-SS-NS for 2021-2023 MY F-150 vehicles is now available. Quality Improvements include: - Robustness action in operation of vehicle to detect low-state-of-charge battery and prevent engine stall, as well as provide improved warning to customers when low-state-of-charge conditions exist. - Eliminates potential Emergency Parking Brake activation when wire harness experiences a short. - Robustness…
• 10251475Feb 1, 2024Electrical system, Back-over prevention (rear camera). Software Update 23-PU1113-UNX-DC for 2021-2023 MY F-150 vehicles is now available. Quality Improvements include - Restores TCU module DID vehicile specific configuration which were set to default values in previous OTA update.
• 10250298Feb 1, 2024Electrical system. 2020-2023 Escape/Explorer, 2021-2023 F-150 and 2022-2023 Maverick 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…
• 10249779Jan 31, 2024Equipment. Some 2021-2023 F-150 vehicles may exhibit DTC U023A:08 after reprogramming the SCCM. Do not replace or reprogram the SCCM, image processing module A (IPMA) or their components for this condition at this time. This DTC does not alert the customer, will not affect vehicle durability or vehicle operation and no additional diagnosis or service is required for this condition at this time.
• 10249776Jan 30, 2024Engine cooling. Some 2021-2023 F-150 non-Lightning vehicles may exhibit reduced power and/or lack of acceleration above 4000 revolutions per minute (RPM) and/or not being able to shift above 4000 RPM. This may be due to the missing retainers (service part number W714040-S300) from the air cleaner intake. Prior to performing other diagnostics, inspect the air cleaner intake to determine if the retainers are present and fully…
• 10249826Jan 24, 2024Electrical system. Software Update PU1009-SS-NS for 2023 MY F-150 vehicles is now available. Quality Improvements include: -Eliminate incorrect Fuel System Lean PCM Fault DTC/MIL setting. - Robustness action in operation of vehicle to detect low-state-of-charge battery and prevent engine stall, as well as provide improved warning to customers when low-state-of-charge conditions exist. - Eliminate potential ABS Yaw Rate Calibration…
• 10249823Jan 22, 2024Electrical system, Transmission and drivetrain. Software Update 23-PU0630-YAW-RT for 2021 MY F-150 vehicles is now available. Quality Improvements include: -Correct 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.
• 10249786Jan 22, 2024Electrical system. This article supersedes TSB 23-2367 to revise Step 8 of the Service Procedure. Some 2021-2023 F-150 vehicles equipped with a 400 watt direct current/alternating current (DC/AC) inverter system with a pickup bed alternating current (AC) power outlet socket may experience the DC/AC inverter system inoperative with diagnostic trouble code (DTC) B1330:9A stored in the body control module (BCM). This may be due to a…
• 10248370Dec 20, 2023Transmission and drivetrain. This article supersedes TSB 23-2363 to add 2021-2022 vehicle model years, update the symptom and the causal part. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P084B stored in the powertrain control module (PCM). This may be due to the software level of the PCM.
• 10248369Dec 20, 2023Electrical system. This article supersedes TSB 23-2240 to to add labor operation H and correct parts list. 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 field coil damaging the output driver (field effect transistor YFET) in the body control module C (BCMC). To correct the condition, follow…
• 10248364Dec 13, 2023Back-over prevention (rear camera). Some 2021 F-150 vehicles not equipped with a 360 camera system (minor feature code J3KAB, found by double-clicking the top left vehicle identification number (VIN) on OASIS) may exhibit an inoperative rear camera on demand feature when the rear camera button is pressed. This may be due to the software level of the SYNC module (APIM).
• 10248268Dec 13, 2023Back-over prevention (rear camera), Other or unknown. Software Update SU7 P1 for 2021- 2023 MY F150 vehicles is now available. Quality improvements include: -21 MY Increases availability of BlueCruise. Ignition reset will not be necessary to reengage BlueCriuse. -21 MY Reduces false eyes-off warnings -22-23 MY Reduces erroneuos braking for objects that are not in the path for Rear Park Aid and Reverse Brake Assist features.
• 10248361Dec 12, 2023Electrical system. Some 2021 F-150 vehicles equipped with a 3.0L diesel engine and an 8 inch instrument panel cluster (IPC) display (minor feature code HKRAC, found by double-clicking the top left vehicle identification number (VIN) in OASIS) may exhibit an oil change minder feature that stays at 100% and does not decrease in the IPC. This may be due to the software level of the IPC. To correct this condition, follow the Service…
• 10247526Dec 12, 2023Back-over prevention (rear camera). Various 2021-2024 Ford and Lincoln vehicles equipped with the rear camera on demand feature may exhibit a Please Check Surroundings For Safety or Full View Not Available message when the rear camera button is pressed and the vehicle is not in reverse. Inform customers this condition is considered normal operation and does not affect vehicle durability because the full rear view camera image can only be shown when…
• 10248360Dec 8, 2023Equipment, Electrical system. Some 2021-2022 F-150 vehicles equipped with a direct current/alternating current converter module A (DCACA) inverter (minor feature code HUKAK) may exhibit a Pro Power Onboard Unavailable message in the vehilce center display screen with DTC B15DA:09 in the BCM. This may be due to the software level of the BCM and powertrain control module (PCM).
• 10245674Nov 30, 2023Equipment, Back-over prevention (rear camera). Some 2021-2023 F-150 vehicles equipped with autowipers may exhibit an inoperative rain-sensing wipers feature, even when the feature is turned on in the Vehicle Settings menu. This may be due to the software level of the steering column control module (SCCM). To correct this condition, reprogram the SCCM using the latest software level of the Ford Diagnosis and Repair System (FDRS) located under the SW Updates tab.
• 10246346Nov 23, 2023Electrical system, Exterior lighting. Software Update PU1009-TLC-CSM2 for 2021 F-150 vehicles is now available. Quality Improvements include: -improvement to trailer license plate lights illumination. -improvement to interior motion sensor alarm to prevent inadvertent alarms -enhancement to prevent alarm activation during inhibit OTA updates
• 10246145Nov 23, 2023Electrical system. This article supersedes TSB 22-2324 to add an additional model year. Some 2021-2023 F-150 vehicles equipped with a 400 watt direct current/alternating current (DC/AC) inverter system with a pickup bed alternating current (AC) power outlet socket may experience the DC/AC inverter system inoperative with diagnostic trouble code (DTC) B1330:9A stored in the body control module (BCM). This may be due to a connection…
• 10246345Nov 22, 2023Visibility (wipers, defrost, mirrors), Electrical system. Software Update PU0813-DOR-UP2 for 2021 F-150 vehicles is now available. Quality Improvements include: -Improved 1-touch up window performance -Mirror unfold button performance improvement -Heated mirror overtemp fix Reference 21B16. -Prevent vehicles experiencing loss of driver frontal switch pack control (window, mirror, rear window lockout, mirror-fold if equipped)) at low voltage.
• 10245391Nov 20, 2023Electrical system. Some 2021-2023 F-150 vehicles may exhibit DTC U023A:08 after reprogramming the SCCM. Do not replace or reprogram the SCCM, image processing module A (IPMA) or their components for this condition at this time. This DTC does not alert the customer, will not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. Engineering is currently working on a solution for…
• 10245387Nov 17, 2023Visibility (wipers, defrost, mirrors). Some 2021-2023 F-150 vehicles equipped with one-touch up/down front windows may exhibit a window not responding to one-touch controls, does not open all the way and/or bounces back when using the one-touch close function. These may be due to a calibration parameter in the driver door module (DDM) and/or passenger door module (PDM).
• 10246123Nov 15, 2023Transmission and drivetrain. Some 2021-2023 F-150, 2022-2023 Expedition/Navigator, 2022-2023 Mustang, 2020-2023 Transit, 2020-2023 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. stored in the powertrain control module (PCM) or transmission control module (TCM).
• 10246334Nov 14, 2023Electrical system. Software Update SU6 P2 for 2021 F-150 vehicles is now available. Quality improvements include: -Ford Blue Cruise Map expiration removal update. - Adds a "some display features may be temporarily unavailable" message to the SYNC screen when a SYNC update is installing. - Selectable Drive Modes - prevent default to normal mode due to loss of communication with SYNC - Improved SYNC Display and single toggle addition…

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