Service bulletin SSM 49091

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)
Type	Service bulletin
NHTSA id	10179367
Published by NHTSA	2020-09-04
Manufacturer's number	SSM 49091
Manufacturer's date	2020-08-13
NHTSA component	SERVICE BRAKES, AIR:ANTILOCK; ELECTRICAL SYSTEM:SOFTWARE; TRACTION CONTROL SYSTEM

NHTSA's summary

Some 2019-2020 Edge/Nautilus vehicles may exhibit a false traction control or yaw control event. This may be due to software in the anti-lock braking system (ABS) module. To correct the condition, reprogram the ABS module using the latest software level of the appropriate Ford diagnostic scan tool. For claiming, use causal part 2B373 and labor times in Section 02 of the Service Labor Time Standards (SLTS) Manual.

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

Brakes, Driver assistance, Electrical system, Anti-lock brakes, Software

Vehicles listed
FORD EDGE	2019, 2020
LINCOLN MKX	2019 to 2020
LINCOLN NAUTILUS	2019, 2020

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

Other bulletins for the same vehicles and component
SSM 52076	2023-11-21. Service bulletin. 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.
TSB 23-2307	2023-11-02. 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 22-2225	2022-06-13. 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 50394	2022-02-04. Service bulletin. Some 2019-2020 Edge/Nautilus vehicles built on or before 03-Dec-2020 may exhibit a power liftgate unable to unlatch from both switches after a second unlatch attempt with or without diagnostic trouble code (DTC) U3000:49 stored in the rear gate trunk module (RGTM). If the RGTM is at the latest software level and the condition is still present, refer to the Workshop Manual (WSM) Section 501-03 to perform normal diagnosis.
SSM 50375	2021-12-27. 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 49769	2021-06-01. Service bulletin. Some 2019-2021 Edge/Nautilus vehicles equipped with all-wheel drive (AWD) may exhibit a noise/vibration/chatter/shudder/grind/bind from the rear of the vehicle during low speed turning events. To correct the condition, reprogram the AWD module using the latest software level of the appropriate Ford diagnostic scan tool. For claiming use casual part RECAL and applicable labor times in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 49292	2020-11-04. 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 49284	2020-11-04. 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.
SSM 49283	2020-11-04. Service bulletin. 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.
SSM 49267	2020-11-04. Service bulletin. Some 2019-2020 Edge/Nautilus vehicles may exhibit an inoperative power liftgate with diagnostic trouble code (DTC) B144F:79 stored in the rear gate trunk module (RGTM). This may be due to the calibration of the RGTM. To resolve the concern, reprogram the RGTM using the latest software level of the appropriate Ford diagnostic scan tool. For claiming use causal part number 14B291 and Section 10 of the Service Labor Time Standards (SLTS) Manual. Do not replace the power strut unless DTC B144F remains after reprograming the RGTM.