Service bulletin SSM 46127

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	10090669
Published by NHTSA	2017-02-07
Manufacturer's number	SSM 46127
Manufacturer's date	2016-10-14
NHTSA component	EQUIPMENT

NHTSA's summary

SOME 2017 MKC VEHICLES WITHOUT THX AUDIO SYSTEMS MAY EXHIBIT A SUBWOOFER DOUBLE POP NOISE DURING A WAKEUP EVENT AND/OR THE SPEAKER FADE SETTING RETURNS TO DEFAULT AFTER A KEY CYCLE. A WAKEUP EVENT MAY INCLUDE ANY OF THE FOLLOWING ACTIONS: DOOR OPEN, KEY FOB USED, TAILGATE ACTIVATED, ETC. THE NOISE COULD ALSO BE DESCRIBED AS A LOW TONE BUMP SOUND, AS IF SOMEONE LIGHTLY TAPPED ON THE MOST REARWARD SIDE WINDOW. REPROGRAM THE AUDIO CONTROL MODULE (ACM) TO THE LATEST CALIBRATION USING THE INTEGRATED DIAGNOSTIC SYSTEM (IDS) RELEASE 102.04 OR HIGHER. MAKE SURE YOU ARE CONNECTED TO THE INTERNET WHEN ENTERING MODULE PROGRAMMING TO OBTAIN THE LATEST UPDATES. CALIBRATION FILES MAY ALSO BE OBTAINED AT WWW.MOTORCRAFTSERVICE.COM. USE CAUSAL PART 18C869 AND APPLICABLE LABOR OPERATIONS IN SECTION 10 OF THE SLTS MANUAL.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories

Vehicles listed
LINCOLN MKC	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
25V685000	2025-10-10. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

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 22-2309	2022-08-23. Service bulletin. Some 2013-2017 C-MAX Energi, 2013-2018 Focus battery electric vehicle (BEV), 2013-2020 Fusion plug-in hybrid electric vehicle (PHEV), 2015-2017 MKZ/MKZ Hybrid/MKC, 2016-2017 MKX and 2017 Continental vehicles equipped with 8 inch or larger center display screen may be unable to complete modem authorization after 3G to 4G modem upgrade was performed. No Authorization Pop-up will be displayed on the center display screen during the Authorization process. The vehicle may also not have proper functionality of remote app features such as remote start, return odometer, fuel information, or vehicle location incorrect in the app. This may be due to the SYNC software. To correct the condition, follow the Service Procedure to toggle Valet Mode.
TSB 22-2133	2022-04-20. Service bulletin. Some 2015-2018 Edge and 2017-2019 Fusion/MKZ/Escape/MKC vehicles equipped with a 2.0L EcoBoost engine may exhibit a low coolant level, white exhaust smoke and/or a runs rough condition with or without an illuminated malfunction indicator lamp (MIL). Diagnostic trouble codes (DTCs) may include P0300, P0301-P0304, P0316, P0217, P1285 and/or P1299 stored in powertrain control module (PCM). This may be due to coolant intrusion into the cylinder. To correct the condition, follow the Service Procedure steps to replace the long block engine assembly.
TSB 22-2104	2022-03-22. Service bulletin. This article supersedes TSB 21-2236 to update the models and year affected. Some 2013-2018 C-Max, 2013-2020 Fusion/MKZ, 2013-2022 Escape, 2015-2018 Focus, 2015-2019 MKC, 2015-2022 Edge/F150/Mustang, 2016-2018 MKX, 2016-2019 Explorer, 2017-2022 F-Super Duty, 2018-2022 EcoSport/Expedition, 2019-2022 Ranger/Nautilus, 2021-2022 Bronco/Bronco Sport/Mustang Mach-E, 2022 Maverick vehicles may experience seat pan looseness, lateral movement, or a clunk/thump noise on turns. This may be due to the seat pan track. To correct the condition, follow the Service Procedure steps to install a reinforcement.
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.
21B09	2021-12-07. Service bulletin. Certain 2014-2020 Model Year Multiple Vehicle Lines 3G Telematics Control Unit to 4G Upgrade Kit The North America 3G cellular service began decommissioning in August 2021 and will be fully decommissioned in February 2022. Vehicles on the road equipped with a 3G telematics control unit (TCU) / embedded modem will lose mobile app functionality/connectivity. Some owners are still within the *complimentary trial period (depending on model year and brand, see table below) for connected services.
20N07-S1	2021-01-05. Service bulletin. In some of the affected vehicles, customers may experience adverse NVH, vibration and/or rough idle in Drive or Reverse, low performance/lack of acceleration during launch, sluggish vehicle operation and shudder while driving
SSM 48908	2020-07-07. Service bulletin. 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 48135	2019-09-09. Service bulletin. Some 2013-2020 vehicles equipped with an EVDC air conditioning (A/C) compressor may exhibit poor A/C performance/improper climate function. To support the proper diagnosis of this compressor, the EVDC control valve tester has been provided to each U.S. dealership (339-EVDC100). Ensure the A/C system has a full charge prior to any compressor diagnostics. To support the proper diagnosis of this compressor, the EVDC compressor tool must be used, and the results recorded in the Technician comments field with the warranty claim. This tester will help reduce the potential for misdiagnosis and unnecessary compressor replacement. Refer to the Rotunda catalog for a video and user manual which provide detailed operating instructions.
SSM 48049	2019-07-08. Service bulletin. Some 2015-2017 F-150/Mustang, 2015-2018 Edge/MKC, 2016-2018 MKX, 2013-2018 Explorer/Taurus/Flex/MKT, and 2017-2018 Fusion/MKZ/Continental vehicles built on or before 19-Oct-2017 may exhibit an inoperative adaptive cruise control, collision warning, and/or collision avoidance system with a Pre-Collision Assist Not Available, Collision Warning Not Available, and/or Adaptive Cruise Fault message present in the instrument panel cluster (IPC) and diagnostic trouble code (DTC) U3000:49 present in the cruise control module (CCM). To resolve the condition, reprogram the CCM using the latest software level of the appropriate Ford diagnostic scan tool. For claiming, use causal part 9E731 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 47996	2019-06-07. Service bulletin. Some 2015-2019 MKC vehicles built on or before 01-Apr-2019 may exhibit an air conditioning (A/C) system with a difference in the discharge temperature between the left and right vents. The left vent discharge temperature will usually be warmer than the right vent discharge temperature. Reprogram the front controls interface module (FCIM) using the latest software level of the appropriate Ford diagnostic scan tool. For claiming, use causal part 18842 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.