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Service bulletins for the 2018 Lincoln MKZ

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.

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

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
SSM 472292018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Some 2018 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 accessory protocol interface module (APIM) DTC U0198 or no modem electronic serial number (ESN) displayed. To correct this condition, remove the TCU fuse for 5 minutes then reinstall. 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.
SSM 472192018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL. Various 2018 vehicles equipped with SYNC or SYNC 3 automatic system updates via WI-FI are unable to connect to the vehicles 4G WI-FI Hotspot. SYNC/SYNC3 with automatic system updates do not support connecting SYNC to the vehicles internal 4G WI-FI Hotspot if equipped. The SYNC automatic update feature must be connected to an external Wi-Fi source to function properly. No repairs should be made in attempt to correct this concern.
SSM 472012018-05-21. Service bulletin. EQUIPMENT. Replacing the original equipment SYNC/Navigation system with either an aftermarket SYNC/Navigation kit or modifying original SYNC/Navigation parts to provide additional features is not recommended nor supported on any Ford, Mercury or Lincoln vehicle. Only approved Genuine Ford accessories or originally installed systems are supported and certified to function correctly with other vehicle systems. If you suspect a system has been modified, the following resources can be used to verify original equipment: Monroney Label (Window Sticker), Professional Technician Society (PTS) OASIS tab select SYNC or HVBOM. For Genuine Ford accessories use: PTS Workshop Tab select Dealer Installed Accessory or Accessory Installation.
SSM 471712018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Some 2016-2018 Ford and Lincoln vehicles equipped with SYNC 3 and connected to an iPhone recently upgraded to iOS 11.2.5 may exhibit functional concerns where USB audio playback and App Link will not operate. This may also include, under certain conditions, no Bluetooth streaming. Apple has released iOS 11.2.6 to address this concern. Advise the customer to update the device to iOS 11.2.6 and re-evaluate before performing any diagnosis or repairs for this condition. To check the iOS software level on an Apple iOS device, select Settings > General > About on the device.
SSM 471002018-05-14. Service bulletin. EQUIPMENT:ELECTRICAL. Some 2016-2018 Ford and Lincoln Vehicle equipped with SYNC 3 and connected to an iPhone recently upgraded to iOS 11.2.5 may exhibit a concern where USB Audio playback and App Link applications will not function properly. This may also include, under certain conditions, no Bluetooth Streaming. Apple is aware of the issue and is working on a resolution with a future iOS release. No repairs should be performed at this time. To check the iOS software level on an Apple iOS device, select Settings > General > About on the device. Monitor OASIS for updates. Customers can also check Apple Support or connect to iTunes for the latest available iOS release for their phone.
SSM 470802018-05-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 2010-2018 various vehicles equipped with SYNC or SYNC 3 may not function when attempting to find or use the Spotify app via AppLink. As of an update released on 1/15/2018 Spotify will no longer be supporting their AppLink integration. No repair attempts should be attempted to correct this concern.
SSM 469302018-01-29. Service bulletin. EQUIPMENT:ELECTRICAL. Some 2016-2018 Ford or Lincoln vehicles equipped with SYNC 3 may exhibit a blank screen or other various SYNC symptoms only when the vehicle is in transport mode. This is due to the power saving features enabled while in transport mode and is beneficial for battery life to keep the vehicle in transport mode until the vehicle is prepped for sale. To prevent a SYNC system lockup during transport mode deactivation, follow the Workshop Manual (WSM) procedure allowing time for the SYNC system to complete all tasks such as fully booting up or powering down and shutting off before moving to the next step of the procedure. If the vehicle exhibits a blank screen or SYNC symptoms after transport mode deactivation, refer to WSM, Section 415-00 for normal diagnosis. The SYNC version can be confirmed via OASIS.
SSM 468602017-12-14. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Some 2016-2018 Ford or Lincoln vehicles equipped with SYNC 3 may exhibit a blank screen or other various SYNC symptoms only when the vehicle is in transport mode. This is due to the power saving features enabled while in transport mode and is beneficial for battery life to keep the vehicle in transport mode until the vehicle is prepped for sale. To prevent a SYNC system lockup during transport mode deactivation, follow the Workshop Manual (WSM) procedure allowing time for the SYNC system to complete all tasks such as fully booting up or powering down and shutting off before moving to the next step of the procedure. If the vehicle exhibits a blank screen or SYNC symptoms after transport mode deactivation, refer to WSM, Section 415-00 for normal diagnosis. The SYNC version can be confirmed via OASIS.
SSM 468542017-12-14. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Some 2017-2018 Fusion/MKZ/MKC/MKX/Continental with all audio systems and 2017-2018 Escape with Sony audio systems may exhibit an inoperative speed compensation volume feature. Do not attempt any repairs at this time. Engineering is investigating, monitor OASIS for updates.

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