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Service bulletin TSB 20-2255

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10179117
Published by NHTSA2020-09-02
Manufacturer's numberTSB 20-2255
Manufacturer's date2020-08-06
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Some 2016 MKS, 2016-2017 Navigator, 2016-2018 F150/Focus/CMAX/Edge/Fiesta/MKX/ Transit Connect/Mustang, 2017-2018 Continental/Fusion/MKZ, 2017-2019 Explorer, 2016-2019 Escape/MKC/Flex/MKT/Taurus/Transit/Expedition/F-Super Duty, and 2018-2019 EcoSport vehicles equipped with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Software

Vehicles listed
FORD C-MAX2016, 2017, 2018
FORD C-MAX ENERGI2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
FORD ECOSPORT2018, 2019, 2020
FORD EDGE2016, 2017, 2018
FORD ESCAPE2016, 2017, 2018, 2019
FORD EXPEDITION2016, 2017, 2018, 2019
FORD EXPLORER2017, 2018, 2019
FORD EXPLORER POLICE INTERCEPT2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
FORD F-1502016, 2017, 2018
FORD F-250 SD2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
FORD F-350 SD2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
FORD F-450 SD2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
FORD F-5502016, 2017, 2018, 2019
FORD FIESTA2016, 2017, 2018
FORD FLEX2016, 2017, 2018, 2019
FORD FOCUS2016, 2017, 2018
FORD FUSION2017, 2018
FORD FUSION ENERGI2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
FORD FUSION HYBRID2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
FORD MUSTANG2016, 2017, 2018
FORD POLICE INTERCEPTOR SEDAN2016 to 2019
FORD TAURUS2016, 2017, 2018, 2019
FORD TRANSIT2016, 2017, 2018, 2019
FORD TRANSIT CONNECT2016, 2017, 2018
FORD redundant C-MAX2016
LINCOLN CONTINENTAL2017, 2018
LINCOLN MKC2016, 2017, 2018, 2019
LINCOLN MKS2016
LINCOLN MKT2016, 2017, 2018, 2019
LINCOLN MKX2016, 2017, 2018
LINCOLN MKZ2017, 2018
LINCOLN MKZ HYBRID2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
LINCOLN NAVIGATOR2016, 2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V8140002017-12-18. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
16V6170002016-08-24. ELECTRICAL SYSTEM:SOFTWARE; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB 23-23072023-11-02. Service bulletin. Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Mustang/Ranger/Transit Connect, 2020-2021 EcoSport/Escape/Expedition/Explorer/F-Super Duty/Aviator/Corsair/Navigator, 2021 Bronco Sport and 2020-2022 Explorer/Aviator vehicles with SYNC 3 may experience various SYNC performance related concerns. This may be due to the SYNC Software. To correct the condition, follow the Service Procedure to update the SYNC module (APIM) software.
TSB 22-22252022-06-13. Service bulletin. Some 2019-2020 Edge/F-150/Fusion/Continental/MKZ/Nautilus, 2019-2021 Mustang/Ranger/Transit Connect, 2020-2021 EcoSport/Escape/Expedition/Explorer/F-Super Duty/Aviator/Corsair/Navigator, 2021 Bronco Sport and 2020-2022 Explorer/Aviator vehicles with SYNC 3 may experience various SYNC performance related concerns. This may be due to the SYNC Software. To correct the condition, follow the Service Procedure to update the accessory protocol interface module (APIM) software.
SSM 503752021-12-27. Service bulletin. Some 2016-2021 Ford and Lincoln vehicles equipped with SYNC 3 may exhibit a condition where the navigation voice prompts are inoperative after a SYNC map update. This may be due to an incomplete installation of the SYNC map software. If possible, using the original USB that installed the update, reperform the update and verify the navigation voice prompts have returned. Multiple reboots are expected when this update is being performed. Verify the Installation Is Complete message displays in the touch screen. If the original USB is not available, go to website https://syncnavigation.com/ford/home or https://syncnavigation.com/lincoln/home to download the files once more for the affected vehicle. For further map update support, reference the FAQ section on these websites.
SSM 502502021-12-07. Service bulletin. Some 2017 MKZ and Fusion vehicles equipped with memory seats and built on or before 03-Jun-2016 may exhibit a discharged battery or a battery drain condition. Before performing normal diagnostics, reprogram the driver door module (DDM) to the latest calibration using the Integrated Diagnostic System (IDS). Use causal part 14B291 and applicable labor operations from Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 493302020-12-04. Service bulletin. Some 2016-2018 Edge vehicles may exhibit an intermittently inoperative turn signal tick-tock sound from the instrument panel cluster (IPC) when the turn signal is active. This may be due to the software in the IPC. To correct the condition, reprogram the IPC using the latest software level of the appropriate Ford diagnostic scan tool. For claiming use causal part 10849 Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 20-23692020-11-05. Service bulletin. Some 2015-2016 F-Super Duty pickup vehicles equipped with a 6.7L diesel engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P24A0 stored in the powertrain control module (PCM). This may be due to various strategies within the PCM software. To correct the condition, follow the service procedure to reprogram the PCM.
TSB 20-22782020-11-05. Service bulletin. Some 2013-2018 F-150 vehicles equipped with Electronic Shift On-The-Fly (ESOF) 4-wheel drive (4WD) may exhibit an intermittent grinding noise while driving in 2-wheel drive (2WD) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end (IWE) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module (TCCM) and replace any worn vacuum and/or IWE components.
20B272020-11-04. Service bulletin. In affected vehicles, the transmission torque converter may overheat in certain driving conditions. If the torque converter overheats it can lead to adverse NVH, rough idle, and low performance concerns. Ultimately this will require internal transmission repairs to resolve the concern. Ford Motor Company has developed and update to the Powertrain Control Module software that helps protect the transmission torque converter from overheating when exposed to certain driving styles.
SSM 492922020-11-04. Service bulletin. 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. 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.