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Service bulletins for the 2020 Lincoln Navigator

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.

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

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

Bulletins, newest first
SSM 497082021-03-31. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2019 F-150/F-Super Duty/Expedition/Navigator and 2020 Explorer/Aviator vehicles may exhibit a 'Trailer Connected' or 'Trailer Disconnected' message in the vehicle's message center with no trailer attached to the vehicle. To address this condition, reprogram the trailer module (TRM) using the appropriate Ford diagnostic scan tool. For claiming use causal part 19H332 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 496902021-03-31. Service bulletin. ELECTRICAL SYSTEM. For 2018-2021 EcoSport/Expedition/Navigator, 2019-2021 Ranger/Transit Connect, 2020-2021 Escape/Explorer/SuperDuty/Transit/Aviator/Corsair, 2021 Bronco Sport/F-150/Mustang/Mach-E the Workshop Manual (WSM) diagnostics may direct to replace a module on vehicles that use Ford Diagnosis and Repair System (FDRS). First, an FDRS session must be created on the vehicle prior to removing the faulted module. Once the session is started, run the Programmable Module Installation and replace the module only when instructed by FDRS. Installing a new module prior to starting a scan tool session may result in incomplete module configuration with DTCs U2100, U2101 and/or U2200. Once a session has been started, continue to follow normal WSM procedures to repair the vehicle.
SSM 496182021-03-03. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Some 2018-2021 F-150, Expedition, Navigator, Transit, Aviator and Explorer vehicles may exhibit an illuminated MIL with DTC P025A And/Or DTC U0109 stored in the powertrain control module (PCM). This may be due to an intermittent or partial disconnect of the harness to the fuel pump control module (FPCM) connector, connector pin push-outs or loose/corroded grounds. Inspect FPCM connector, applicable grounds(F-150- G401, Expedition/Navigator- G403, Transit- G401, 2018-2019 Explorer G302, 2020-2021 Explorer/Aviator- G407) and confirm FPCM connector (F-150- C4336, Expedition/Navigator- C433, Transit- C433, 2018-2019 Explorer C3239, 2020-2021 Explorer/Aviator- C4033) is fully seated prior to performing PC/ED diagnostics or replacing any components.
SSM 495002021-02-04. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION:SOFTWARE. Some 2020 Navigators vehicles may have a symptom of the interior and/or ambient temperature not showing at the top of the SYNC screen after updating the SYNC software. To resolve this condition, reflash the SYNC module with the latest software using the appropriate Ford diagnostic scan tool and Workshop Manual (WSM), Section 415 > General Procedures > SYNC Module Programming. For claiming, use causal part 14G371 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 494102021-01-05. Service bulletin. LATCHES/LOCKS/LINKAGES; STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. Some 2020 Aviator/Navigator vehicles may exhibit the inability to unlock the doors using the remote keyless entry (RKE) transmitter, Lincoln Way App, and the passive entry system door handles. The door keypad and the mechanical key will be the only option to unlock the vehicle when this concern is present. In addition to the inability to unlock the vehicle, the vehicle may also exhibit a no crank/no start symptom. To address this condition, reprogram the body control module (BCM) using the appropriate Ford diagnostic scan tool. For claiming, use causal part 15604 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 20-24232021-01-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; POWER TRAIN. Some 2018-2020 F-150/Navigator vehicles equipped with a 3.5L EcoBoost High-Output engine and built on or before 11-Sept-2020 may exhibit excessive oil consumption with no visible oil leaks with or without diagnostic trouble code (DTC) P0365 and/or P0369. To correct the condition, follow the Service Procedure steps to reprogram the powertrain control module (PCM) and if necessary, replace the engine valve covers.
SSM 494182021-01-04. Service bulletin. ELECTRICAL SYSTEM; WHEELS; EQUIPMENT. Some 2020 Expedition/Navigator vehicles built on or after 19-Oct-2020 and equipped with four-wheel drive will keep the integrated wheel end (IWE) hubs engaged under all operating conditions. Although the IWE vacuum solenoid is still present, these vehicles may not be equipped with an electrical connector for the IWE vacuum solenoid. This is a characteristic of the vehicle. Do not attempt any repairs for this condition.
TSB 20-23632020-11-05. Service bulletin. ELECTRICAL SYSTEM. Some 2019 MKZ, 2019-2020 EcoSport/Mustang/Continental/Fusion/F-150/Transit Connect/Ranger/Edge/Nautilus and 2020 Escape/Corsair/Aviator/Explorer/Expedition/Navigator/F-Super Duty vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.
TSB 20-23072020-11-05. Service bulletin. ELECTRICAL SYSTEM; WHEELS; EQUIPMENT. Some 2003-2020 Expedition/Navigator and 2006-2020 F-150 vehicles equipped with TOD transfer cases may exhibit grinding/clicking/ratcheting noise from the front wheel area. This may be due to partial engagement of the integrated wheel ends (IWE). To correct this condition, follow the Service Procedure steps to remove and cap the vacuum supply line.
SSM 492922020-11-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2018-2020 Ford and Lincoln vehicles may exhibit inoperative remote features via the Ford Pass/Lincoln Way mobile app, incomplete user authorization, no modem electronic serial number (ESN) displayed or DTCs U2100 and/or B156D in the telematics control unit (TCU). These symptoms may persist even after performing a TCU software update and/or replacement. To correct this condition, start a new session with the latest version of the appropriate diagnostic scan tool and perform a PMI on the TCU. If issues persist, open a hotline assistance request and include the IDS version (if applicable) used to perform the PMI and the Authorization Status PID value in the TCU datalogger. For claiming use causal part 14H092 and applicable labor times in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 492842020-11-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Some 2018-2020 Ford and Lincoln vehicles equipped with TCU and WiFi Hotspot, May display Vehicle Hotspot feature not enabled on this vehicle when attempting to enter the Hotspot menu. When using the FordPass/Lincoln Way application, the customer may receive a message saying Wi-Fi has been disabled from this vehicle. Check the vehicle specifications or vehicle build information for the mfal code. If mfal = WAFAC or WAFAB do not replace the TCU, engineering is currently investigating this condition. Inform customers Ford is developing a software fix that is expected in early January. In the interim, let the customer know they can continue to drive the vehicle and schedule a follow-up appointment with the customer for early January. Once the update becomes available, contact the customer and confirm the service appointment is going forward. Monitor OASIS for updates.
SSM 492832020-11-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Some 2017-2020 Ford and Lincoln vehicles equipped with a telematics control unit (TCU) may exhibit incomplete user authorization, inoperative remote features and/or a message stating the system cannot access the Lincoln/FordPass Connect feature in the application due to being a fleet vehicle. Replacing the TCU will not resolve this condition. Engineering is currently investigating this condition. Inform customers Ford is developing a software fix that is expected in early January. In the interim, let the customer know they can continue to drive the vehicle and schedule a follow-up appointment with the customer for early January. Once the update becomes available, contact the customer and confirm the service appointment is going forward. Monitor OASIS for updates.
TSB 20-23012020-10-01. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; BACK OVER PREVENTION: CAMERA SYSTEM. Some 2019 MKZ, 2019-2020 Mustang/Continental/Fusion/F-150/Transit Connect/ Ranger/Edge/Nautilus and 2020 Escape/Corsair/Aviator/Explorer/Expedition/ Navigator/F-Super Duty vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.
SSM 490932020-09-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Some 2020 Navigator vehicles may exhibit the ambient lighting as only blue and/or the inability to adjust the ambient lighting color per the Owner's Manual. This may be due to incorrect accessory protocol interface module (APIM) configuration. To correct this condition, start an FDRS session and select the toolbox tab then APIM module. This will populate the APIM specific applications, then select APIM application Sync Module Configuration. The SYNC 3 universal thumb drive should not be used to correct this condition. For claiming, use causal part 14G371 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 490852020-09-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; ENGINE. Some 2020 Ford and Lincoln vehicles equipped with a TCU may exhibit incomplete user authorization, no authorization pop-up on the SYNC infotainment system, vehicle connectivity concerns, vehicle location disabled message and/or various FordPass/LincolnWay App command/control concerns. To correct these conditions, ensure that customer connectivity settings (CCS) are turned on in the SYNC system. If the concerns persist after CCS is turned on, turn CCS OFF, perform an ignition cycle, and turn CCS settings back on. After any CCS changes, force-close and relaunch the FordPass/ LincolnWay app on the customers phone. Once CCS is turned on, program the TCU to the latest IDS/FDRS version level. If the concern is still present, follow normal diagnostics in Workshop Manual (WSM), Section 415-00. Refer to PTS OASIS home page for TCU version identification. For claiming, use causal part 14G229.
SSM 490842020-09-04. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2020 Ford and Lincoln vehicles equipped with a TCU may exhibit inoperative remote features via Ford Pass/Lincoln Way mobile app , incomplete user authorization and/or no modem electronic serial number (ESN) displayed. To correct this condition prior to programming, remove the TCU fuse for 5 minutes then reinstall. Delete all previous session files for the vehicle. Verify that the electronic serial number (ESN) is now displayed. Start a new IDS/FDRS session. Program the TCU to the latest IDS/FDRS version level. Make sure you are connected to the internet before retesting. If the concern is still present, follow normal diagnostics in Workshop Manual(WSM), Section 415-00. Refer to PTS OASIS home page for TCU version identification. For claiming, use causal part 14G229 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 20-22592020-09-02. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Some 2019 MKZ, 2019-2020 Mustang/Continental/Fusion/F-150/Transit Connect/ Ranger/Edge/Nautilus and 2020 Escape/Corsair/Aviator/Explorer/Expedition/ Navigator/F-Super Duty vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure
SSM 490032020-08-04. Service bulletin. ELECTRICAL SYSTEM. Some 2020 Navigator vehicles may exhibit the inability to unlock the doors using the remote keyless entry (RKE) transmitter, Lincoln Way App, and the passive entry system door handles. The door keypad and the mechanical key will be the only option to unlock the vehicle when this concern is present. In addition to the inability to unlock the vehicle, the vehicle may also exhibit a no crank/no start symptom. To address this condition, reprogram the body control module (BCM) using the appropriate Ford diagnostic scan tool. For claiming, use causal part 15604 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 489082020-07-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Some 2016-2020 Ford and Lincoln vehicles equipped with a SYNC 3 Touchscreen may experience the volume control unresponsive from the Front Control Interface Module (FCIM) and steering volume controls when using Apple Car Play. When the Apple device is removed, volume control is restored. This is due to a concern with the Waze Navigation App software and Apple iOS version. To correct the condition, update the Waze App software and iOS to the latest version available and reboot the customer's Apple device. Perform an ignition cycle and reconnect the Apple device via USB. Open Apple Car Play and confirm volume control is restored. Installing/Updating third party software/applications is not warrantable.
SSM 489302020-07-07. Service bulletin. ELECTRICAL SYSTEM. Some 2020 Navigator and 2020 Corsair vehicles may have diagnostic trouble codes (DTCs) P1269, B1A56, B1D55, B1589, and/or B1590 through B1598 stored in the RFA module with no reported customer symptoms. If these DTCs are detected during pre-delivery inspection (PDI) or while diagnosing unrelated conditions, they should be disregarded.
SSM 488602020-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Some 2020 Expedition/Navigator vehicles built on or before 14-Jan-2020 may exhibit a concern where the Auto-Stop-Start feature restarts the engine after 7 seconds at every stop, no matter how long the vehicle is at a stop. This may be due to the body control module (BCM) configuration. To correct this condition, run the BCM Configuration application using the appropriate Ford diagnostic scan tool. For claiming, use causal part 15604 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual. For more information on the operation and condition requirements for the Auto Start Stop feature, refer to the Powertrain Control Emission Diagnosis (PC/ED) Manual, Section 1 > Powertrain Control Software
SSM 488582020-06-04. Service bulletin. ELECTRICAL SYSTEM. Some 2012-2020 Ford and Lincoln vehicles equipped with a TCU may exhibit an inoperative remote start with a 'Vehicle Failed To Start' message when using MyFord Mobile/Ford Pass/Lincoln Way mobile applications. The cellular cloud systems will only allow two remote start requests from the MyFord Mobile/Ford Pass/Lincoln Way apps without a vehicle drive event occurring. If a third remote start request is received, a Vehicle Failed To Start message will be displayed quickly in the mobile app. Once the vehicle is driven, the remote start counter is reset and will allow remote start commands to be sent from the mobile app. If the remote start system is not functioning using the key fob, refer to Workshop Manual (WSM) Section 303-06 for further diagnosis.
TSB 19-23902020-01-07. Service bulletin. ELECTRICAL SYSTEM; SEATS. Some 2015-2019 F-150, 2015-2020 Explorer, 2017-2019 F-Super Duty, 2017-2020 Continental, 2018-2020 Expedition/Navigator, 2016-2018 MKX, 2019-2020 Nautilus, 2020 Aviator/Corsair and 2013-2020 MKZ vehicles equipped with multi-contour seats may exhibit intermittent multi-contour seat operation and/or massage and lumbar adjust inoperative from the seat switch or SYNC screen with or without diagnostic trouble code (DTC) B1471, U024B, and/or U024C. This may be due to terminal fretting at the connector for the driver multi-contour seat module (SCMG) and passenger multi-contour seat module (SCMH). To correct the condition, follow the Service Procedure steps to replace the connectors and reroute the harness.

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