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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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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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 506022022-03-22. Service bulletin. ENGINE AND ENGINE COOLING. 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 configuration in the gateway module (GWM). To correct the condition, download and run the GWM - Gateway Module A Configuration app using the latest version of the Ford Diagnosis and Repair System (FDRS). For claiming, use causal part 14G490 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 22-20892022-03-15. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; UNKNOWN OR OTHER. Some 2015-2022 F-150, 2017-2022 F-Super Duty and 2018-2022 Expedition/Navigator vehicles may exhibit poor air conditioning (A/C) performance, loss of airflow and/or engine cooling fans running continuously from high A/C pressures. This concern may be from the evaporator freezing up due to the evaporator temperature sensor being biased. To correct the condition, follow the Service Procedure steps to replace the evaporator temperature sensor.
SSM 504452022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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 504122022-02-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM:IGNITION:COIL. Some 2021-2022 F-150 vehicles equipped with a 3.5L EcoBoost engine may exhibit engine misfire concerns with or without DTCs. If diagnostics lead to ignition coil replacement, swap the ignition coil(s) between the misfired cylinder and a known good cylinder. Only replace the ignition coil if the misfire concern follows that particular ignition coil. If the misfire condition does not follow the coil, apply dielectric grease to the boot, reinstall the ignition coil in the original cylinder and continue normal diagnostics in Workshop Manual (WSM), Section 303-07C.
TSB 22-20172022-02-04. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with 3.5L PowerBoost engine and built on or before 30-Sep-2021 may experience a reduced engine power condition with or without blue smoke with an illuminated malfunction indicator lamp (MIL) and diagnostic trouble codes (DTC) P0299, P0301, P0302 and/or P0303 stored in the powertrain control module (PCM). The vehicle may also exhibit a right turbocharger turbine shaft broken or binding impellor and/or an oil leakage from the compressor wheel. This may be due to a restriction in the right air cleaner outlet pipe. To correct the condition, follow the Service Procedure steps to replace the right air cleaner outlet pipe.
TSB 21-24042022-02-04. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. Some 2015-2021 F-150, 2017-2021 Super Duty and 2018-2021 Expedition/Navigator vehicles may exhibit poor air conditioning (A/C) performance, loss of airflow and/or engine cooling fans running continuously from high A/C pressures. This concern may be from the evaporator freezing up due to the evaporator temperature sensor being biased. To correct the condition, follow the Service Procedure steps to replace the evaporator temperature sensor.
TSB 21-24362022-01-01. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine may experience a Motor Coolant Over Temperature message in the instrument panel cluster (IPC) and diagnostic trouble code (DTC) P0A2F:94 stored in the secondary on-board diagnostic module C (SOBDMC). This may be due to software parameters in the SOBDMC. To correct the condition, follow the Service Procedure to reprogram the PCM.
SSM 503232021-12-26. Service bulletin. ENGINE AND ENGINE COOLING. Some 2017-2022 F-Super Duty and 2016-2022 F-650/F-750 with 6.7L diesel engines, 2015-2019 Transit with 3.2L diesel engines and 2018-2021 F-150 with 3.0L diesel engines may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P206C in the powertrain control module (PCM). Review of repair data supports that P206C is often the result of incorrect diesel exhaust fluid (DEF) concentration. Per Powertrain Control/Emissions Diagnosis (PC/ED) Pinpoint Test (PPT) RJ, a DEF concentration reading below 28% will set P206C and cause vehicle derate. If low concentration is suspected, drain fluid and replace with known good DEF before replacing any parts. Low concentration of DEF is not a warrantable condition.
SSM 503062021-12-07. Service bulletin. ENGINE AND ENGINE COOLING. Some 2018-2021 EcoSport, Expedition, Navigator; 2019-2021 Ranger; 2020-2021 Escape, Corsair, Explorer, Transit; 2021 Bronco, Bronco Sport, Edge, Nautilus, F-150, Mustang; 2019-2022 Transit Connect; 2020-2022 Aviator, F-Super Duty; and 2022 Maverick vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0496, P0456, P0455, P04F0, and/or P0451. Ford has tested returned EVAP canister purge valves and found them to be fully functional. Prior to replacing the canister purge valve or other EVAP components, perform the following tests using the Ford Diagnosis and Repair System (FDRS) Scan Tool: Full System EVAP Leak Test - FDRS Location: TOOLBOX > PCM > PCM - Evap Emissions System Test and the EVAP Purge Valve Leak Test - FDRS Location: TOOLBOX > PCM > Evap Emission System Toolbox > CPV Check.
TSB 21-23732021-11-02. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with equipped with a 3.5L EcoBoost or 3.5L PowerBoost and built on or before 31-Mar-2021 may experience an external loss of coolant. This may be due to a leak in the degas bottle hose between the degas bottle and thermostat housing. To correct the condition, follow the Service Procedure to inspect and replace the left degas bottle hose between the degas bottle and thermostat housing.
SSM 502282021-11-02. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine may experience a Motor Coolant Over Temperature message in the instrument panel cluster (IPC) and diagnostic trouble code (DTC) P0A2F:94 stored in the secondary on-board diagnostic module C (SOBDMC). This may be due to software parameters in the SOBDMC. Inform customers that engineering is currently working on a solution for this condition and will be released via an over the air (OTA) software update expected in February of 2022. The software will update automatically if Vehicle Connectivity is turned ON. Inform the customer that powertrain durability is not affected and they can continue to drive the vehicle. Contact the customer in March of 2022 to determine if they received the update. If the customer needs assistance, schedule a follow-up appointment. Monitor OASIS for updates.
TSB 21-23382021-10-05. Service bulletin. ENGINE; UNKNOWN OR OTHER. Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine may exhibit an illuminated malfunction indicator lamp (MIL) and diagnostic trouble codes (DTCs) P0A1A:06 and/or P1A0E:64 stored in the secondary on board diagnostic control module C (SOBDMC), also referred to as the inverter system controller (ISC). These DTCs may be set due to an issue related to electric motor performance. To correct the condition, follow the Service Procedure steps to identify a concern with the hybrid drive unit.
SSM 501562021-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with a 3.3L or 5.0L engine, Transit vehicles equipped with a 3.5L Duratec engine, and Explorer/Police Interceptor Utility vehicles equipped with a 3.3L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0106 stored in the powertrain control module (PCM) after key-off transportation of the vehicle to higher altitudes. To correct the condition, clear the DTCs, cycle the ignition to OFF, cycle the ignition to ON, wait ten seconds, cycle the ignition to OFF, wait ten seconds, then start the engine. If the condition remains, refer to the Powertrain Control/Emissions Diagnosis (PC/ED) Manual for diagnostics.
21B522021-09-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. Certain 2021 Model Year F-150 Raptor Vehicles Equipped with 3.5L Ecoboost Engines and Pro Power Onboard Powertrain Control Module Reprogramming; In all of the affected vehicles, if the outlet cover located in the bed of the vehicle is open more than approximately 17 degrees (due to a device plugged in, debris, etc.), the vehicle will not shift out of park when started.
21B322021-09-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. Certain 2021 Model Year F-150 Trailer Perimeter Alarm ;In all of the affected vehicles, an unexpected perimeter alarm will activate when the vehicle meets the following conditions: vehicle with transmission in park, ignition off, doors locked, perimeter alarm enabled, and a trailer connected
21B372021-09-05. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. It may be possible for the Powertrain Control Module (PCM) to enter an eninge no-start condition at key-on if the software detects a low oil level AND the oil life remaining is between 5-20%. A Ford Power-Up (over-the-air) PCM software update will be available later this year (2021).
SSM 500732021-09-04. Service bulletin. ENGINE AND ENGINE COOLING. When replacing the 6006 long block engine assembly in 2021 F150 vehicles equipped with a 2.7L or 3.5L EcoBoost or 3.5L PowerBoost with a vehicle build date on or after 19-July-2021 and 2021 Expedition/Navigator vehicles equipped with a 3.5L EcoBoost with a vehicle build date on or after 10-Feb-2021, the turbocharger bypass valve (9U465) and adapter (9V456) must also be replaced. For turbocharger bypass valve and adapter replacement procedures, refer to the Workshop Manual (WSM), Section 303-14.
SSM 500462021-09-04. Service bulletin. ENGINE; POWER TRAIN:TRANSMISSION CASE/HOUSING. Some 2021 Explorer/Aviator/Police Interceptor Utility/F-150 Hybrid vehicles equipped with a 10R80 modular hybrid transmission (MHT) may exhibit a transmission fluid leak at the engine disconnect clutch pressure sensor. This condition may be due to loose engine disconnect clutch pressure sensor fasteners. To correct the condition, tighten the engine disconnect clutch pressure sensor fasteners per Workshop Manual (WSM), Section 307-01. Replacing the engine disconnect clutch sensor is not necessary to correct the condition.
TSB 21-22802021-09-02. Service bulletin. ENGINE AND ENGINE COOLING. Some 2018-2021 F-150 vehicles equipped with a 3.5L PowerBoost, 3.5L EcoBoost or 2.7L EcoBoost engine and some 2018-2021 Expedition and Navigator vehicles equipped with a 3.5L EcoBoost engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P04F0 and/or P144C stored in the powertrain control module (PCM). This may be due to loose or partially connected evaporative emissions (EVAP) vapor lines.
TSB 21-22722021-09-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with a 2.7L EcoBoost engine and built on or before 14-Jun-2021 may experience lack/loss of power with an illuminated malfunction indicator lamp (MIL) and diagnostic trouble code (DTC) P0299 in the powertrain control module (PCM). This may be due to the wastegate control actuator question mark upper linkage lever between the wastegate lever arm and the wastegate control actuator becoming disconnected. To correct the condition, follow the Service Procedure to repair the wastegate control actuator question mark upper linkage lever between the wastegate lever arm and the wastegate control actuator.
SSM 499602021-08-02. Service bulletin. ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with a 2.7L EcoBoost engine may experience a lack/loss of power with an illuminated malfunction indicator lamp (MIL) and diagnostic trouble code (DTC) P0299 in the powertrain control module (PCM). This may be due to a wastegate control actuator question mark upper linkage lever becoming separated from the wastegate control actuator due to a missing jamb nut. Replacement wastegate control actuator kits are available for service and turbocharger assembly replacement is not necessary (RH actuator kit is ML3Z-9G488-J, LH actuator kit is ML3Z-9G488-E). Refer to the Workshop Manual (WSM), Section 303-04G.
TSB 21-21582021-06-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. Some 2021 F-150 vehicles equipped with a 5.0L engine and built on or before 23-Apr-2021 may experience a runs rough, hesitation and/or a lack of power condition with an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0301, P0304, P0306, P0307, P3402, P3426, P3442 and/or P3450 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 and reset the keep alive memory (KAM).
SSM 498212021-06-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING. Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTC) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. This may be due to small debris causing the VCT solenoid to stick. Before attempting any component diagnosis or replacement of the VCT solenoid, refer to Powertrain Control and Emissions Diagnosis (PC/ED) pinpoint test HK11 to cycle the affected VCT solenoid 10 times to attempt to clear the debris. For claiming, use causal part 6M280 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 498052021-06-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING. Some 2011-2021 vehicles equipped with a diesel engine may have engine oil in the exhaust after turbocharger replacement for various reasons. To correct the condition, remove the exhaust and stand the exhaust up with the turbocharger inlet side facing down using a suitable drain pan. Allow the exhaust to drain for at least 24 hours and reinstall. Do not perform a manual exhaust regeneration.

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