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Service bulletins for the 2021 Lincoln Nautilus

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.

132 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
SSM 550312026-07-28. Service bulletin. UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM; ELECTRICAL 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. This may be due to someone using an aftermarket programmer to change the body control module (BCM) configuration to disable the auto start/stop system or perform other unsupported programming modifications. To correct this condition on F-150 and Bronco vehicles, download and run the Ford Diagnosis and Repair System (FDRS) application titled "BCM-Charging System Configuration Correction". Running this application will determine if the BCM configuration was modified by the customer and if so, provide the option to return the configuration back to factory settings. For other vehicle models exhibiting concerns related to unsupported aftermarket BCM programming, submit a Technical Support Request (TSR) requesting support to revert the BCM configuration
ECG-26.2.11.4.1 Nautilus2026-07-28. Over-the-air update. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Quality improvements include: - Enhanced system performance, disk usage limits and memory monitoring
TSB 26-22972026-06-29. Service bulletin. UNKNOWN OR OTHER; 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.
SSM 547732026-04-28. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Some 2021-2023 Nautilus vehicles may exhibit inoperative phone as a key and no communication with the remote function actuator (RFA) module. There may also be diagnostic trouble code (DTC) U0214 stored in various modules for loss of communication with the RFA module. To correct the condition, remove the RFA fuse (F19) located in the body control module (BCM). After one minute, reinstall the fuse to re-establish communication with the RFA module. Reprogram the RFA module using the latest software level of the Ford Diagnosis and Repair System (FDRS). For claiming, use causal part 14G617 and labor operations 12651D and 12651D4.
SYNC-25.1.7.10.1 Nautilus2026-04-02. Over-the-air update. VISIBILITY/WIPER; ELECTRICAL SYSTEM; UNKNOWN OR OTHER. "25S49 Recall Remedy: -Infotainment software update to address frozen screens"
SSM 545552026-02-12. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY; ELECTRICAL SYSTEM. Some 2020-2022-Corsair, 2021-2023 Nautilus, 2020-2024 Navigator/Aviator, and 2021-2024 Mustang Mach-E vehicles equipped with phone-as-a-key may exhibit various phone-as-a-key concerns with diagnostic trouble codes (DTC) U200D:15, U200E:15, U200F:15, B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 stored in the remote function actuator (RFA) module. If any of these DTCs are detected during diagnostics, clear the DTCs, reprogram the RFA to the latest software level and start a new Ford Diagnosis and Repair System (FDRS) session. Verify that DTCs are no longer present. If only the B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 DTCs return in the RFA after a self-test, follow normal Workshop Manual (WSM) diagnostics in Section 419-01. Repair as necessary outside of this article. For claiming, use causal part 14G617 and labor operations 12651D and 12651D4.
SYNC-25.2.0.16.1 Nautilus2026-02-05. Over-the-air update. ELECTRICAL SYSTEM; UNKNOWN OR OTHER; VISIBILITY/WIPER. "Quality Improvements Include: - Bug Fixing and Feature improvements. - Resolves black screen issue caused when there is no SiriusXM disk space."
SSM 543662025-11-19. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. Pinpoint test HK in the Powertrain Control and Emissions Diagnosis (PC/ED) or in Section 303-14 of the Workshop Manual (WSM) has been updated to address this concern.
SSM 540902025-08-04. Service bulletin. ELECTRICAL SYSTEM. Some 2021-2025 Ford and Lincoln vehicles equipped with SYNC4/Digital Experience may exhibit an unsuccessful telematics control unit module (TCU) software update or software activation during a universal serial bus (USB) update. This may be due to the vehicle connectivity setting being disabled.
SSM 539662025-06-24. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2021-2025 Ford/ Lincoln vehicles equipped with SYNC4 may not be able to perform an update to the accessory protocol interface module (APIM). This may be due to the software in the APIM. Ford Engineering has de-activated the ability to update these SYNC4 APIM modules as applicable, and the Ford Diagnosis and Repair System (FDRS) will not present an update for the APIM module. Some existing directed repairs may be impacted, check Professional Technician System (PTS) before attempting any specific technical service bulletin (TSB)/special service message (SSM) and check field service action (FSA) landing pages before attempting any FSA repairs. For any vehicle repairs requiring a software update that includes an APIM update in the programming sequence, if the 5-digit product code for the APIM software is equal to or lower than 23187, do not attempt to update affected modules at this time. To determine the 5-digit product code for the APIM software on the vehicle, while the vehicle center display screen is powered up with ignition in run or accessory, go to Settings > General > About SYNC.
OTA SU 6 P1 Naut2024-05-06. Service bulletin. ELECTRICAL SYSTEM. Quality Improvements include: Allow vehicle entry during OTA update. Add secure verification and roll back to Direct Configuration updates.
SSM 520762023-11-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). Some 2019-2021 Edge/Nautilus vehicles equipped with all wheel drive (AWD) may exhibit a noise from the rear of the vehicle while approaching the vehicle or prior to starting engine. This may be due to the rear drive unit (RDU) actuator learning process. Reprogram the software in the AWD module to minimize the noise using the latest software level of the appropriate Ford diagnostic scan tool. If no other concerns or symptoms are present, further diagnosis or repairs are not recommended. For claiming, use causal part 4000 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 518382023-09-04. Service bulletin. ELECTRICAL SYSTEM. In various 2017-2023 Ford and Lincoln vehicles, customers may receive a message in the FordPass or LincolnWay App stating Feature Unavailable. Since this is a fleet vehicle, it cannot access the (SYNC Connect) FordPass or LincolnWay app through the TCU Embedded Modem. If this message appears, the vehicle may be equipped with a fleet telematics module. Replacement of the TCU or TCU related repairs will not prevent this message from appearing. Refer the customer to in app FordPass Guides or LincolnWay Concierge Teams to aid with fleet telematics removal. Open app, select Account > Help > CHAT or CALL option.
23OTASU4P3NAUT2023-07-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Software Update 4 P3 for 2021- 2022 Nautilus vehicles is now available. Quality improvements include: - Key fob access to vehicle during update. - Pre-conditioning pop up alerts.
SSM 517622023-07-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Some 2021-2023 Ford and Lincoln vehicles equipped with SYNC 4 may exhibit the navigation feature in the center display screen only displaying imperial units and not being able to change to metric. This may be due to the software level of the SYNC module (APIM). This issue does not affect vehicle durability and no additional diagnosis or service is required for this condition at this time. Inform customers that engineering is currently working on a solution for this condition and will be released via Ford Power-Up software updates delivered over-the-air (OTA) expected in September 2023. Software will update automatically if vehicle connectivity is enabled in the vehicles settings. Schedule a service visit for customers who have disabled vehicle connectivity or who report that they did not receive the update in September 2023. Monitor OASIS for additional information.
SSM 509752022-08-02. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 Ford/Lincoln customers may experience a notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. This occurs when the vehicle has not been started for 14 consecutive days, battery voltage is at/below 9.5 volts or the body control module (BCM) 12 volt battery state of charge (SOC) drops below 50%. A warning may also set if the telematic control unit (TCU) has received an over the air update. The TCU powers down all communication when in this mode and app features are disabled. Manually start the vehicle to wake if from mode. More information is located in the app under: Account > Help > search 'Deep Sleep' in the entry box. If the condition remains, check the BCM 12v SOC. If the SOC does not change after charging the battery or after BMS reset is performed, continue with normal battery and/or BMS sensor diagnostics.
SSM 508732022-06-30. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 Ford and Lincoln vehicle owners may experience a condition of missing authorization, command and control, battery charging details or phone-as-a-key setup buttons/selections in their FordPass or LincolnWay App. This condition is due to an error within the FordPass or LincolnWay App and not due to a concern on the vehicle. Verify that the customers FordPass or LincolnWay App is at the latest version. Replacement or reprogramming of the telematics control unit (TCU)/gateway module (GWM)/remote function actuator (RFA) will not resolve this condition. If the condition persists, utilize the FordPass Guides or Lincoln Way Concierge teams.
SSM 508452022-06-17. Service bulletin. ELECTRICAL SYSTEM. Some 2020-2022 Corsair/Nautilus/Navigator/Aviator, 2021-2022 Mustang Mach-E vehicles equipped with Phone-as-a-Key may exhibit Phone-as-a-Key concerns and have diagnostic trouble code(s) (DTC) U200D:15, U200E:15, U200F:15, B15**:31, B15**:49 and/or B15A5:56 stored in the remote function actuator (RFA) module. If the vehicle is exhibiting other symptoms outside of Phone-as-a-key concerns, address those first. If any of these DTCs are detected during diagnostics, clear the DTCs, reflash RFA to the latest software level and start a new Ford Diagnosis and Repair System (FDRS) session. Verify that DTCs are no longer present. If only the B15**:31, B15**:57 and/or B15A5:56 DTC(s) returns in the RFA after a self test, follow normal Workshop Manual (WSM) diagnostics, Section 419-01C.
SSM 508292022-06-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. 2021-2022 various Ford and Lincoln vehicles may exhibit an erroneous diagnostic trouble code (DTC) U1A01:93 stored in the telematics control unit (TCU). This may be due to various software parameters within the TCU. If this DTC is identified during normal diagnostics, but the vehicle does not exhibit any customer concerns around the TCU operation, clear this DTC and no further repairs are recommended. If the DTC returns after being cleared or if the vehicle exhibits connectivity concerns with the TCU, continue with normal Workshop Manual (WSM) diagnostics. If set erroneously, this DTC does not cause any observable concerns or warning messages and does not affect vehicle performance or durability. Ford is developing a software update which will be delivered to the vehicle via an over-the-air (OTA) TCU update in July 2022 to prevent this DTC from setting erroneously.
OTA SU2 Nautilus2022-06-01. Service bulletin. ELECTRICAL SYSTEM. Software Update 2 (SU2) Phase 1-3 Respin for 2021 Model Year Nautilus vehicles is now available. Involves: Fix for availability of subscription services.
SSM 508042022-06-01. Service bulletin. ELECTRICAL SYSTEM. Some 2013-2023 Ford or Lincoln vehicles with modems activated through FordPass or LincolnWay may experience 12 volt battery drain symptoms when the customer uses non-Ford/Lincoln phone applications as an alternate channel to access vehicle commands such as door lock/unlock, remote start, vehicle location, etc. The battery drain may be caused by excessive calls for data through the vehicle network keeping it in an activated state. Recommend that the customer uninstall the app to ensure this is not contributing to battery symptoms experienced. Advise the customer that unaffiliated third-party app developers do not work directly with Ford to adhere to security, vehicle communication, and privacy requirements.
22B082022-05-04. Service bulletin. ELECTRICAL SYSTEM. Certain 2021 Model Year Mach-E, F-150, Bronco, Edge, Nautilus vehicles - Electronic Control Module Recovery: In some of the affected vehicles, an internal error in the Accessory Protocol Interface Module (APIM) or Telematics Control Unit (TCM) module software will prevent the receipt of software updates or enhancements for these modules from Ford Power-Up or Lincoln Way. The module will operate as intended otherwise.
TSB 22-21502022-04-20. Service bulletin. EQUIPMENT; COMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM:SOFTWARE. This article supersedes TSB 22-2117 to update the Issue, Action, Service Procedure. For some 2021 Mustang Mach-E, F-150, Edge, Nautilus and Bronco vehicles technicians may experience the inability to update the accessory protocol interface module (APIM) or telematics control unit (TCU) using the Ford Diagnosis and Repair System (FDRS) and Universal Serial Bus (USB) drive. The PTS OTA Dashboard on vehicles with this condition may also display multiple APIM and/or TCU updates have failed, and/or a no OTA history message. In addition, on vehicles with this condition, the customer may have reported experiencing a Ford Power-Up software update failure message via the vehicle display and/or FordPass/LincolnWay. This may be due to an internal software error. To correct this condition, follow the Service Procedure to update and/or recover the APIM/TCU. Note: Only 10% of vehicles may require this procedure.
OTA SU2 P1-2 Nau2022-03-05. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM:SOFTWARE. Software Update 2 (SU2) Phase 2 for 2021 Model Year F-150 vehicles is now available. Involves: Fix for availability Pro Trailer Backup Assist on some vehicle configurations. Fix for low power mode rearview camera distortion when the vehicle is shut off and restarted quickly without opening the vehicle doors.
SSM 504852022-02-16. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Some 2019-2022 Edge/Nautilus, 2020-2022 Escape/Corsair, and 2021-2022 Bronco Sport vehicles equipped with a 2.0L EcoBoost or 2.3L EcoBoost may exhibit a lack of power with an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P02AB, P0243, P0299, P25B3, P25B4, P2AB7, P2AB8 and/or P2AB9. This may be due to an inoperative wastegate actuator, missing wastegate actuator e-clip or non-visible damage to the actuator rod. If the diagnostic procedures lead to replacement of the turbocharger assembly, note that a lower level service component has been released K2GZ-9G488-B for Edge/Nautilus/Escape/Corsair/Bronco Sport for service to replace the actuator, actuator rod and both e-clips instead of a complete turbocharger assembly. When replacing the wastegate actuator, it is required to replace all parts included in the service kit.

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