2021 Ford F-150 Technical Service Bulletins

643 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.

• 11038615Oct 16, 2026Other or unknown, Fuel system, Electrical system. This bulletin supersedes 26-2238. Reason for update: To update the Service Procedure to include diagnostics for the fuel vapor vent valve and the fuel tank isolation valve. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to a concern with the…
• 11038617Oct 14, 2026Other or unknown, Electrical system. This bulletin supersedes 26-2297. Reason for update: Add 2022-2025 Transit vehicles. Some of the vehicles listed in the model statement above equipped with SYNC4 may experience a blank center display screen or black center display screen after welcome animation. The rear-view camera will still function when shifting the vehicle to reverse under these conditions.
• 11038440Oct 8, 2026Other or unknown, Engine. Some 2020-2026 Aviator/Explorer/F-150/Bronco/Ranger vehicles equipped with a 2.7L or 3.0L (non-diesel) engine may need the front engine cover removed and reinstalled for various reasons.
• 11037678Sep 22, 2026Other or unknown, Body and structure. This article supersedes TSB 25-2466 to add Bronco Sport, Escape, Maverick and Corsair, as well as removing Expedition and Navigator. One time use parts for Corsair and Bronco Sport were also added to the parts list. Some of the vehicles listed in the Model statement above may exhibit a headliner rattle or sagging condition around the roof opening panel. This may be due to the adhesive separating from the headliner…
• 11037310Sep 9, 2026Other or unknown, Electrical system. 26C37 Recall remedy Prevents a potential rearview camera image obstruction caused by a menu displaying on top of it
• 11037291Sep 9, 2026Brakes, Electrical system, Other or unknown. 26C10 Recall remedy -Addresses instances where the trailer lights and trailer brakes may not function
• 11037297Sep 3, 2026Electrical system, Other or unknown. This bulletin updates 26-2206. Reason for update: update the Service Procedure to revise Steps 19-21, adding Step 22, and adding Figure 15-16 to clarify connector C316 location.
• 11036595Aug 26, 2026Electrical system, Other or unknown, Transmission and drivetrain. This article supersedes 26-2287. Reason for update: update the labor operation numbers to add MT to operations C, F, G, H, J, K, L and M, and correct the part number LIMZ-4A015-B to L1MZ-4A015-B.
• 11036530Aug 22, 2026Seats, Other or unknown. For Various Ford and Lincoln vehicles, if diagnostics lead to the replacement of the front seat cushion cover J-clips, lower-level service parts are now available. Use service part W709919-S901 if the J-clip is completely detached from the seat cover and W715386-S424 if the clip is still partially attached. It is not necessary to replace the seat cover if only the J-clip is separating from the cover.
• 11036301Aug 14, 2026Visibility (wipers, defrost, mirrors), Body and structure. Some 2021-2026 F-150 vehicles may exhibit a concern of the windshield wipers not parking in the correct position on the windshield and/or over-traveling. This may be due to incorrect alignment of the wiper pivot arm on the wiper linkage assembly. Wiper pivot arms may or may not be equipped with an alignment key. Alignment keys are a manufacturing aid and are not needed for proper alignment and operation.
• 11035556Aug 3, 2026Electrical system, Other or unknown, Fuel system, Transmission and drivetrain. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine, 2020-2026 Explorer vehicles equipped with a 3.3L hybrid engine, and 2020-2023 Lincoln Aviator vehicles equipped with a 3.0L EcoBoost hybrid engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0A1E stored in the powertrain control module (PCM). The vehicle may be unable to enter…
• 11035635Jul 28, 2026Other or unknown, Engine. Customer Satisfaction Program 25M01 Certain 2021 Model Year F-150 3.0L Diesel Engine and 2020-2022 Model Year Super Duty with 6.7L Diesel Engine Nitrogen Oxide (NOx) Sensor Replacement, If Required After Dealer Evaluation Reference: Emissions Recalls 22E02, 22E04, 23E01, and 25E09
• 11035258Jul 24, 2026Fuel system, Electrical system. 25S75 Recall remedy -Powertrain Control Module update to introduce logic to prevent low pressure fuel pump binding and maintain fuel flow to the engine.
• 11035626Jul 23, 2026Electrical system, Fuel system, Other or unknown. 25S75 Recall remedy -Powertrain Control Module update to introduce logic to prevent low pressure fuel pump binding and maintain fuel flow to the engine.
• 11035269Jul 23, 2026Other or unknown, Electrical system, Fuel system. Some 2021-2026 Ford/Lincoln vehicles may exhibit various symptoms including but not limited to the auto start/stop system not operating as intended with a "Check Charging System" message in the instrument panel cluster (IPC) while the charging system is operating properly with no charging related diagnostic trouble codes (DTC) stored.
• 11035267Jul 21, 2026Electrical system, Other or unknown. Some 2021-2024 Ford and Lincoln vehicles may exhibit an "Updating SYNC" message on the vehicle center display screen after an over the air (OTA) update. The message can be cleared from the center display screen and SYNC can be used normally, but it will re-appear at every subsequent ignition cycle. Inform customers that engineering is currently working on a software update solution for this condition to be…
• 11035465Jul 9, 2026Electrical system, Other or unknown. NEW VEHICLE DELIVERY HOLD - Emissions Recall 26E04 Certain 2021-2025 Model Year F-150, Maverick, Mustang, Ranger, Expedition, Bronco Sport, Explorer, Bronco, Navigator, and Aviator Vehicles Powertrain Control Module Software Update
• 11034970Jul 9, 2026Transmission and drivetrain. This bulletin supersedes 26-2066. Reason for update: To remove "(2024 only)" from the Issue statement to include 2021-2025 vehicles that may exhibit a clicking sound coming from the gear shift lever. Some of the vehicles listed in the Model statement above equipped with a console GSM may exhibit at least one of the following conditions: * Clicking sound coming from the gear shift lever after it is placed and kept…
• 11034540Jul 1, 2026Transmission and drivetrain, Electrical system. This bulletin supersedes 25-2383. Reason for update: to add 2023-2026 F-150 2.7L vehicles. Some of the vehicles listed in the Model Statement may exhibit a vibration/shudder felt during light throttle tip in at highway speeds (8,9,10 gear) with no diagnostic trouble codes (DTC) present. This may be due to various software parameters in the powertrain control module (PCM).
• 11034134Jun 24, 2026Other or unknown, Electrical system. Some of the vehicles listed in the model statement above equipped with SYNC4 may experience a blank center display screen or black center display after welcome animation. The rear-view camera will still function when shifting the vehicle to reverse under these conditions.
• 11034011Jun 18, 2026Transmission and drivetrain. This article supersedes 25-2302. Reason for update: update the labor time allowance for F-150 vehicles, update the Parts list to replace the part number W716979-S439 with W721084-S439, and add a note for LV fluids XT-10-QLVC and CXT-10-LV6 "Transfer Case Fluid".
• 11034009Jun 18, 2026Electrical system. Quality improvements include: -Addresses a false trailer brake fault message when starting the vehicle in cold weather
• 11034019Jun 16, 2026Other or unknown, Brakes. Some 2021-2026 F-150 vehicles may exhibit a U2100:00 diagnostic trouble code (DTC) for initial configuration incomplete stored in the trailer control module (TRM). This may be due to the vehicle having a Ford accessory trailer brake kit installed without being programmed following the included instructions.
• 11033814Jun 12, 2026Electrical system, Other or unknown. Quality improvements include: -Privacy robustness updates -Resolves various user interface and data display bugs within the Towing menu
• 11033819Jun 11, 2026Suspension. Some of the vehicles listed in the Model Statement above may exhibit a clunking noise from the rear suspension while turning at low speeds. This may be due to binding at the leaf spring clinch clips.
• 11033549May 26, 2026Electrical system, Other or unknown. Quality improvements include: - Enhanced system performance, disk usage limits and memory monitoring
• 11032940May 19, 2026Electrical system, Other or unknown. Quality improvements include: - Telematics Control Unit update to enhance connected features
• 11032749May 14, 2026Transmission and drivetrain. This article supersedes TSB 26-2130 to update labor operation to reprogram the PCM and check EVAP system from actual time to fixed time, and add extra time to reprogram coordinated modules (if required). Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may…
• 11032754May 13, 2026Steering. Some 2021-2023 F-150 vehicles may exhibit diagnostic trouble code (DTC) U023A:08 in the steering column control module (SCCM) after reprogramming the SCCM with no customer symptoms present. If the vehicles automatic high beam operation is fully functional, this DTC does not affect vehicle operation, and no additional diagnosis or service is required for this condition. Replacement or reprogramming of the SCCM or…
• 11032697May 8, 2026Transmission and drivetrain. This bulletin supersedes 26-2046. Reason For Update: update the parts list to change the claim quantity of the C clutch friction plates (HL3Z-7B164-A), C clutch steel plates (HL3Z-7B442-F), D clutch steel plates (HL3Z-7B442-D), add the rear driveshaft flange CV joint-to-pinion flange cup bolts and retaining straps (LK4Z-4B496-B) for Transit, and update the parts description for the transfer case fluids applicable…
• 11032565May 4, 2026Transmission and drivetrain, Engine, Electrical system. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine and 2020-2026 Explorer vehicles equipped with a 3.3L hybrid engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0A1E stored in the powertrain control module (PCM). The vehicle may be unable to enter electric-only drive modes as expected during normal drive cycles. This may be due to the…
• 11032563May 1, 2026Other or unknown, Forward collision avoidance, Electrical system. This article updates TSB 23-2146. Reason for update: clarify prior approval requirements Some of the vehicles listed in the Model statement above may exhibit diagnostic trouble codes (DTCs) C1001:31, U3000:89, and/or U3000:49 stored in the image processing module A (IPMA) and at least one of the following conditions:  "Front Camera Fault Service Required" message  Pre-collision assist inoperative  Adaptive…
• 11031913Apr 29, 2026Exterior lighting, Other or unknown, Electrical system, Brakes. 26C10 Recall remedy -Addresses instances where the trailer lights and trailer brakes may not function
• 11031640Apr 27, 2026Transmission and drivetrain. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine and 2020-2026 Explorer vehicles equipped with a 3.3L hybrid engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0A1E stored in the powertrain control module (PCM). The vehicle may be unable to enter electric-only drive modes as expected during normal drive cycles. This may be due to the…
• 11032238Apr 26, 2026Transmission and drivetrain. Emission Recall 23E01 - Supplement #1 2021 Model Year F-150, 2022 Model Year Super Duty and 2023 Model Year F-650 / F-750 Truck Vehicles Equipped with Diesel Engines Powertrain Control Module Reprogramming
• 11031624Apr 22, 2026Electrical system, Vehicle speed control, Other or unknown. Some 2021 F-150 vehicles may exhibit an erroneous diagnostic trouble code (DTC) U2404:92 stored in the gateway module (GWM) after an over the air (OTA) update was performed or the GWM software was updated using the Ford Diagnosis And Repair System (FDRS). This may be due to various software parameters within the GWM. If this DTC is identified during normal diagnostics, but the vehicle does not exhibit any customer…
• 11031263Apr 2, 2026Electrical system, Lane departure. Various 2020-2026 Ford and Lincoln vehicles equipped with blind spot information system (BLIS) may experience an inoperative blind spot monitoring with a "Blind Spot System Fault" message displayed in the instrument panel cluster (IPC). This may also be accompanied by diagnostic trouble codes (DTCs) B118C:11 and/or B118C:15 stored in the driver door module (DDM), and/or B118D:11 and/or B118D:15 stored in the…
• 11031262Apr 2, 2026Transmission and drivetrain. For 20212026 vehicles equipped with the 10R80 transmission, a new Transmission Clutch Circuit Leak Test has been introduced in the Ford Diagnosis and Repair System (FDRS). This test utilizes the pressure and vacuum transducer (PVT) when available.
• 11031261Apr 1, 2026Transmission and drivetrain. Some 2021-2026 F-150 PowerBoost vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P2884, P2885 and/or P2886 stored in the powertrain control module (PCM). Workshop Manual (WSM), Section 307-01 > Automatic Transmission - 10 Speed Automatic Transmission - 10R80 MHT > Diagnosis and Testing > DTC Chart and Pinpoint Tests - 3.5L V6 PowerBoost (CN) >…
• 11030911Mar 31, 2026Engine. Certain 2021 - 2022 Model Year Various Vehicles Engine Valve Inspection Test This submission includes : Technical Instructions Updated wording and description with additional photo.
• 11030820Mar 31, 2026Body and structure, Other or unknown. Some 2021-2025 F-150 vehicles may exhibit an "Active Air Dam System Fault See Manual" warning message displayed in the instrument panel cluster (IPC) and/or an AAD hanging/not retracting. This may be due to a broken AAD actuator to air dam bolt or bolts. If diagnostics lead to ADD actuator as the causal part, a new lower-level service bolt and u-nut are available. It is not necessary to replace the AAD actuator if…
• 11030349Mar 24, 2026Other or unknown, Transmission and drivetrain, Electrical system. This article supersedes TSB 25-2246 to update the Service Procedure and add Step 2 to verify the EVAP system integrity after the coordinated software updates. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450 stored in the powertrain control module (PCM). This may be due to the software in the PCM.
• 11030797Mar 20, 2026Engine. Some 2021-2026 F-150 vehicles equipped with a 5.0L/5.2L engine, 2021-2025 F-Super Duty/F-53 Motorhome/F59 Commercial Stripped Chassis vehicles equipped with a 6.8L/7.3L engine and 2021-2025 E-Series/F-650/F-750 vehicles equipped with a 7.3L engine may exhibit a rattle/scraping noise upon startup that may remain after the engine is running. Workshop Manual (WSM),
• 11030791Mar 19, 2026Transmission and drivetrain. For 2021-2026 vehicles equipped with the 10R80 transmission, a new Transmission Clutch Circuit Leak Test has been introduced in the Ford Diagnosis and Repair System (FDRS). This test utilizes the pressure and vacuum transducer (PVT) when available. The Workshop Manual (WSM) has been updated under Section 307-01 > Diagnosis and Testing to include this procedure. The new test improves the accuracy of detecting…
• 11029921Mar 9, 2026Other or unknown. This article supersedes TSB 25-2466 to add Bronco Sport, Escape, Maverick and Corsair, as well as removing Expedition and Navigator. One time use parts for Corsair and Bronco Sport were also added to the parts list. Some of the vehicles listed in the Model statement above may exhibit a headliner rattle or sagging condition around the roof opening panel. This may be due to the adhesive separating from the headliner…
• 11029554Feb 25, 2026Transmission and drivetrain. Some of the vehicles listed in the Model statement above may exhibit an incorrectly illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0420 and/or P0430 stored in the powertrain control module (PCM). This may be due to the software in the PCM. This condition does not affect vehicle drivability or durability.
• 11029553Feb 25, 2026Transmission and drivetrain. This article supersedes TSB 25-2579 Reason for update: remove "Lightning" from Labor Times Description Some of the vehicles listed in the Model statement above equipped with a console GSM may exhibit at least one of the following conditions: * Clicking sound coming from the gear shift lever after it is placed and kept in reverse, neutral or drive position.
• 11029052Feb 24, 2026Other or unknown, Electrical system, Body and structure. Ford and Lincoln vehicles equipped with wired keyless entry keypad systems and accessory wireless keyless entry keypad systems may or may not come with a wallet card containing the master code. Unlike the integrated wired keypad, the accessory wireless keypad master code cannot be retrieved from the vehicle using a diagnostic scan tool or from the label printed on the body control module (BCM).
• 11029549Feb 17, 2026Electrical system, Visibility (wipers, defrost, mirrors), Other or unknown. "25S49 Recall Remedy: -Infotainment software update to address frozen screens"
• 11029081Feb 17, 2026Transmission and drivetrain. For 20172026 vehicles equipped with a 10R transmission, a revision to the Road Testing Vehicle procedure has been made in the WSM, located in Section 307-01 > Diagnosis and Testing. This updated procedure improves the diagnosis of customer reported transmission concerns and aids in locating the proper root cause.

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