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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
21G01 S32023-06-06. Service bulletin. BACK OVER PREVENTION. 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 REASON FOR THIS SUPPLEMENT Affected Vehicles: Added US population of affected vehicles Service Action: Updates regarding Technical Information Pick-up and Delivery: Added pick-up and delivery information for participating dealers Mobile Repair: Assessment Level is Not Mobile Service Capable due to time requirements Claims Preparation and Submission: Pick-up and Delivery information added Owner Notification Mailing Schedule: Updated mail date for revised owner letter Labor Allowances: Updated with TSB 22-2404 Technical Information: Added and removed steps
SSM 516632023-06-06. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. 2021-2023 F-150/Expedition may exhibit a pop noise and/or static in the speakers at start up that cannot be turned down or off using the audio system controls. To correct the condition, reprogram the audio digital signal processing module (DSP) to the latest software level using the Ford Diagnosis and Repair System (FDRS) diagnostic scan tool. For claiming, use causal part 18B849 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 23-21612023-05-31. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2021 F-150 vehicles equipped with a 3.0L diesel engine, 2016-2022 F-650/F-750 vehicles equipped with a 6.7L engine, and 2017-2022 F-Super Duty vehicles equipped with a 6.7L engine and built on or before 08-Mar-2022 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P21DD, P20BA. P20B9, P204C, P208A, P208B, P208C, P203B, P205B, P21CD and/or U02A2 in the powertrain control module (PCM). This may be due to water intrusion within connectors C3613 and/or C4851/C3610 on the reductant harness going to the reductant pump/heater assembly and the reductant level sensor/quality module. This may also be due to movement of the wiring harness causing terminal fretting. To correct the condition, follow the Service Procedure to replace the reductant tank harness, the reductant pump/heater assembly and/or the reductant tank, as well as securing the wiring harness using a cable zip tie fastener.
SSM 516532023-05-31. Service bulletin. ELECTRICAL 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. The technician will need to delete the WiFi connection from the xRC-3365 so it will not automatically reconnect and adjust the date. Next go to Settings>Shop Information>Date/Time Settings and change the date prior to May 1, 2023 and stay off the internet so it will not auto correct itself. Press and hold the power button until the tool turns off. Then turn the xRC-3365 back on and attempt the rescue charge.
TSB 22-24282023-05-30. Service bulletin. POWER TRAIN. Some 2017-2023 F-150, 2018-2023 Expedition/Navigator/Mustang, 2019-2023 Ranger, 2020-2023 Explorer/Aviator/Transit and 2021-2023 Bronco vehicles equipped with a 10R60 transmission and built on or before 23-Dec-2022 or with a 18R80/10R80MHT transmission and built on or before 15-Aug-2022 may exhibit a harsh/delayed engagement and/or harsh/delayed shift. It is possible the vehicle may also have an illuminated malfunction indicator lamp (MIL) or 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 PCM or 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.
SSM 516652023-05-29. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021-2023 Ford and Lincoln vehicles equipped with a 2.7L or 3.0L engine may exhibit an upper engine thump/knock noise coming from the left cylinder head. This condition is most noticeable at idle and may lessen at higher engine speed or while driving. This condition does not affect vehicle durability and will not get worse over time. Use a stethoscope or chassis ears and listen just behind the left cylinder head intake VCT solenoid on the cam cover to determine if the thump/knock noise is coming from the cylinder head/camshaft. The left cylinder head and the camshaft roller followers are available as service parts.
SSM 516012023-05-24. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; TRAILER HITCHES. Some 2021-2023 F-150 and 2022-2023 F-Super Duty/Expedition/Navigator/Maverick vehicles equipped with an integrated trailer module (iTRM) may exhibit a trailer lamp fault message with various related diagnostic trouble codes (DTC). Most trailer emulator testers will not draw enough current to correctly diagnose these concerns. They may be used to diagnose basic functionality of the iTRM, however, some trailer emulator testers may cause false trailer lamp fault messages to appear. The customer's trailer should be used for diagnosis instead of a trailer emulator tester. Refer to Workshop Manual (WSM), Section 417-01 for normal diagnostics.
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.
TSB 23-21462023-05-16. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Some 2021-2023 F-150 vehicles may exhibit various driver assistance system warning messages or inoperative features and/or diagnostic trouble code (DTC) U3000:49 stored in the image processing module A (IPMA) that will not clear and not be stored in the vehicle's history. DTC C1001:31 and/or U3000:89 may be stored in the IPMA, but may have recently been cleared and stored in the vehicle's history. This may be due to a connection issue between the IPMA Camera and the IPMA. To correct the condition, perform the following service procedure to repair the connection and reset the IPMA.
SSM 515902023-05-16. Service bulletin. PARKING BRAKE. Some 2021-2022 F-150 vehicles equipped with light duty electric park brake calipers (minor feature code FAJAK) may exhibit a squeal noise from the rear brakes after sitting for 8 hours or more. To confirm a vehicle is built with minor feature code FAJAK, review the build information by double-clicking the vehicle identification number in the upper left-hand corner in the Professional Technician System (PTS). To correct this condition, replace rear brake disc (ML1Z-2C026-C) and rear brake pads, caliper pin bolts, and brake pad holding clips (ML3Z-2200-E) on both sides of the vehicle. Refer to Workshop Manual Section 206-04 Rear Disc Brake. For claiming, use causal part number 2552 and applicable labor times from Section 02 of the Service Labor Times Standard Manual. NOTE: Using incorrect service parts on the braking system could impair brake performance.
SSM 515892023-05-16. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Some 2021-2023 F-150/Mustang Mach-E/Edge vehicles may exhibit a concern of Android Auto unable to wirelessly connect and/or Android phones rebooting when connected to the vehicle via USB. This is due to a concern with the Google application on the customers device. Google has released a fix for these concerns. For Android phones not connecting wirelessly, request that the customer update their Android Auto version to 6.1 or later. For customers who's Android phone reboots when connected via USB, request that the customer update their Chrome application to 88.0.4324.181 or later. The customers service provider should be able to assist customers having difficulty updating their device. This is not a warrantable repair.
23OTASU4P2F1502023-05-05. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Software Update 4 P2 for 2021-2022 F-150 vehicles is now available. Quality improvements include: - Minimize time customer cannot enter the vehicle during future inhibit updates. - Various Apple Carplay Improvements -Improved 12V Key off Load. -Added shift inhibit message when the bed outlet cover is open. -Removed inadvertent reverse brake assist unavailable cluster message.
SSM 515362023-05-04. 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 23-21222023-05-04. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2023 F-150/Mustang Mach-E and 2023 Expedition/Navigator vehicles equipped with BlueCruise/ActiveGlide may experience loss of BlueCruise/ActiveGlide hands-free driving mode availability and/or BlueCruise/ActiveGlide inoperative and/or diagnostic trouble code (DTC) U2400:00 in the gateway module (GWM) and advanced driver assistance system (ADAS) modules with no other DTCs present. This may be due to an expired BlueCruise/ActiveGlide map file in the GWM and/or the customer's BlueCruise/ActiveGlide map subscription being expired. To correct the condition, follow the Service Procedure to update the GWM.
SSM 515462023-05-04. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. Some 2021-2022 F-150 vehicles built on or before 03-Feb-2022 may intermittently exhibit doors unable to lock/unlock and/or difficult to open in freezing temperatures. This may be due to moisture from rain/snow entering the interior door latch lock indicator cable assembly. An updated interior door handle cable and door latch lock indicator cable assembly (front right side-15221A00 / front left side-15221A01; rear right side1640180 / rear left side-1640181) has been released to prevent moisture intrusion. If this condition is experienced, the interior door handle cable and door latch lock indicator cable assembly should only be replaced, not the latch assembly. Refer to Workshop Manual, Section 501-14. For claiming, use causal part: 15221A00, 15221A01, 1640180, or 1640181 and applicable labor operations in Section 12 of the Service Labor Time Standards Manual.
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 515182023-04-06. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2023 F-150 vehicles equipped with minor feature codes HKRAC (8 inch instrument panel cluster (IPC) screen) and HKCAA (SYNC without navigation) may exhibit a condition where the compass direction indication is stuck or not updating correctly in the IPC. To confirm a vehicle is built with minor feature codes HKRAC and HKCAA, review the build information by double-clicking the vehicle identification number in the upper left-hand corner in the Professional Technician System (PTS). This may be due to a software concern in the instrument panel cluster (IPC). Engineering is currently working on a software update to address this concern. Inform the customer they can continue to drive the vehicle. For 2021 F-150 vehicles exhibiting this concern, perform Technical Service Bulletin 21-2388 and confirm if the concern is still present. Monitor for OASIS for updates.
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 514852023-04-05. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine may experience a loss of engine coolant with possible engine overheat and/or illuminated malfunction indicator (MIL). This may be due to a crack in the exhaust heat exchanger coolant spigots on the top of the exhaust heat exchanger. The exhaust heat exchanger coolant spigots are now released and should be serviced in pairs. It is no longer necessary to replace the muffler inlet pipe assembly for this type of concern. Workshop Manual, Section 309-00D has been updated to include a new service procedure. For claiming, use causal part 18663 and applicable labor operations in Section 05 of the Service Labor Time Standards (SLTS) Manual. Heat exchanger coolant spigots - NL3Z-18663-A (2 req).
SSM 514712023-04-05. Service bulletin. PARKING BRAKE; SERVICE BRAKES. Some 2021-2022 F-150 vehicles equipped with light duty electric park brake calipers (minor feature code FAJAK) may exhibit a squeal noise from the rear brakes after sitting for 8 hours or more. To confirm a vehicle is built with minor feature code FAJAK, review the build information by double-clicking the vehicle identification number in the upper left-hand corner in the Professional Technician System (PTS). To correct this condition, replace rear brake disc (ML1Z-2C026-C) and rear brake pads, caliper pin bolts, brake pad clips, and retraction springs (ML3Z-2200-E) on both sides of the vehicle. Refer to Workshop Manual Section 206-04 Rear Disc Brake. For claiming, use causal part number 2552 and applicable labor times from Section 02 of the Service Labor Times Standard Manual. NOTE: Using incorrect service parts on the braking system could impair brake performance.
SSM 514692023-04-05. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Some 2021 F-150 vehicles built on or before 01-Feb-2021, 2017-2020 F-150 vehicles equipped with a 3.5L EcoBoost engine, 2018-2020 F-150 vehicles equipped with a 2.7L EcoBoost or 5.0L engine, 2019-2020 F-150 vehicles equipped with a 3.0L diesel engine may exhibit a high pitched squeal or whistle type noise from the engine compartment after the engine is shut off. This condition may be due to the air conditioning (A/C) low side system pressure exceeding the high side pressure resulting in equalization of A/C system pressures through the A/C compressor. An updated A/C compressor has been released to resolve this concern. For claiming, use causal part 19703 and applicable labor operations in Section 11 of the Service Labor Time Standards (SLTS) Manual.
SSM 514522023-04-05. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2023 F-150, 2021-2023 F-Super Duty, 2021-2023 Ranger customers may have concerns including, but not limited to: no power to the distribution box, rear camera inoperative, rear park assist inoperative, box lights inoperative, power up/down tailgate inoperative, unable to open tailgate by tailgate switch, and no tailgate ajar message when the tailgate is ajar. These concerns may be caused by faulty connections between the pickup bed, tailgate, rear lamp assemblies, or bumper where connectors are disconnected, damaged, or coated with bedliner. Prior to performing any warranty diagnosis or repairs, verify if the vehicle had an aftermarket spray-in-bedliner. Any repairs resulting from aftermarket products/installation, including but not limited to a spray-in bedliner, are not covered under warranty.
SSM 514342023-04-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Some 2021-2022 F-150 vehicles equipped with On-Board Scale may exhibit DTC U3000:54 stored in the VDM after replacement and will not clear. This may be due to the configuration data for the VDM. To correct the condition, download and run the VDM - Vehicle Dynamics Module Configuration app using the latest level of the Ford Diagnosis and Repair System (FDRS). After the VDM configuration has completed, download and run the VDM - On Board Scales Calibration app and perform the Vehicle Payload Update and the Height Sensor Calibration to complete the repair. The Vehicle Payload Update entry in FDRS should correspond with the rating shown on the Tire and Load Information label found on either the B-pillar or the edge of the driver door. For claiming, use causal part 18B008 and applicable labor operations in Section 10 of the Service Labor Time Standards Manual.

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