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Service bulletins for the 2018 Ford Mustang

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.

198 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 492172020-10-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE. Some 2015-2020 F-150/Mustang, 2016-2020 Edge, 2016-2018 MKX and 2019-2020 Nautilus vehicles built on or before 18-Jan-2020 may exhibit a mirror click and/or ratcheting noise when using memory functions or easy entry/exit function. This may be due to the software in the driver door module (DDM) and passenger door module (PDM). To correct the condition, reprogram the DDM and PDM with the latest software level of the appropriate Ford diagnostic scan tool. For claiming use causal part 14B291 and applicable labor times in Section 10 of the Service Labor Time Standards (SLTS) Manual.
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 20-22552020-09-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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.
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 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.
SSM 487572020-05-04. Service bulletin. ELECTRICAL SYSTEM. Some customers may experience a notification in the FordPass and/or LincolnWay apps that indicates their vehicle has entered "deep sleep mode". This mode is enabled due to the vehicle not being started for 14 consecutive days or battery voltage is at/or below 9.5 volts. Some 2020 models will also set a warning if the telematic control unit (TCU) has received an automatic over the air update. The purpose of deep sleep mode is to conserve battery voltage. When deep sleep mode is enabled, the TCU is powered down and all communication with the FordPass and/or LincolnWay apps are disabled. To wake the vehicle from deep sleep mode, manually start the vehicle. More deep sleep mode information can be found in the FordPass or LincolnWay apps under: More > Guides > click in search entry box > type "deep sleep" and click on "Ask".
SSM 486192020-04-02. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. SSM 48619 - Various Vehicles - Perimeter Alarm Armed And Original Vehicle Keys Cannot Be Accessed to Enter Vehicle - CAN Protection Strategy Some 2013-2016 Model Year Vehicles may exhibit a concern in which the Perimeter Alarm is active and the original keys cannot be accessed to disable the perimeter alarm. This concern would most often occur when a customer loses keys and the dealership is attempting to program new keys to the vehicle. The Workshop Manual (WSM), Section 419-01A Perimeter Anti-Theft Alarm - System Operation and Component Description has been updated to inform of the Controller Area Network (CAN) Protection Strategy. Follow the procedure outlined to prevent replacement of the Body Control Module (BCM) on CAN Protection Strategy equipped vehicles when original keys are lost and perimeter alarm is active. Refer to the WSM for further detail on the CAN Protection Strategy. Lost keys and replacement of BCM for lost keys is non-warrantable.
SSM 485582020-03-03. Service bulletin. ELECTRICAL SYSTEM. SSM 48558 - 2017-2020 Various Vehicles Equipped With Telematics Control Unit (TCU) - Various FordPass/LincolnWay Mobile App Concerns 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.
SSM 483402019-12-05. Service bulletin. ELECTRICAL SYSTEM. Some 2016-2019 vehicles equipped with SYNC 3 may experience a map displayed on the left half of the SYNC screen with no other information/soft buttons present after updating to the latest version of V3.0 software. This issue occurs when the SYNC 3 system has been previously modified using an aftermarket device to display the Ford GT welcome screen/HMI Theme. To correct this issue, please contact the Technical Hotline Assistance Center to have the vehicle restored back to its original state.
SSM 483162019-12-05. 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.
SSM 482792019-11-06. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2019 Ford and Lincoln vehicles equipped with a telematics control unit (TCU) may exhibit a persistent message in the Ford Pass/Lincoln Way mobile app advising, Your vehicles software is being updated. Vehicle controls will be unavailable for about 10 minutes while this update takes place. This may be due to the TCU still in factory mode. Using the appropriate Ford diagnostic scan tool, check the TCU_AUTHSTATE PID status showing Factory Mode. To correct this condition, perform programmable module installation (PMI) on the telematics control unit (TCU). Once PMI is completed, ensure the TCU_AUTHSTATE PID in service tool no longer displays Factory Mode. If the concern is still present, follow normal diagnostics in Workshop Manual (WSM) section 415-00. For claiming, use causal part 14G229.
SSM 482672019-11-05. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2020 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 accessory protocol interface module (APIM) DTC U0198 or no modem electronic serial number (ESN) displayed. To correct this condition prior to programing 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.
SSM 482602019-11-05. 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 accessory protocol interface module (APIM) DTC U0198 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.
SSM 481232019-09-06. Service bulletin. ELECTRICAL SYSTEM. For Ford and Lincoln vehicles that require positive or negative battery terminal replacement, it is not necessary to replace the complete battery cable harness (14300 and 14301) for this concern. Positive battery cable clamp BT4Z-14450-AA and negative battery cable clamp BT4Z-14450-BA are available for this type of repair. Do not cut or shorten the battery cable, instead carefully remove the affected battery cable clamp and clean the cable end as necessary to preserve wire length. Some rework may be necessary for some vehicle environments. Bend the new positive battery cable clamp as needed and crimp it to the existing battery cable. Make sure to use heat shrink tubing over the battery cable to battery cable clamp connection. Obtain the heat shrink tube locally.
SSM 481082019-08-07. Service bulletin. ELECTRICAL SYSTEM. Some 2015-2019 vehicles may experience a no crank concern due to a security access key table error. When attempting to program keys or perform a parameter reset, the procedure may fail and the appropriate Ford diagnostic scan tool may display an error 232: Key Table Not Allocated. If this error message is encountered, the body control module (BCM) is internally damaged and requires replacement. The BCM should only be replaced for this condition when the 232 key table error message is present. If the 232 key table error is not present, follow normal diagnostics for the no crank condition. For claiming, use causal part 15604 and applicable labor operations in section 10 of the Service Labor Times Standards (SLTS) manual.
SSM 480532019-07-08. Service bulletin. ELECTRICAL SYSTEM. Some 2016-2019 Ford and Lincoln vehicles equipped with SYNC 3 not at the latest software level may exhibit Various Performance Related concerns such as Display Operation, Navigation, Voice Recognition, Phone Pairing, Applink, Travel Link, Slow System Response, etc. Check for SYNC software update under the OASIS Tab SYNC selection. If an update is available refer to WSM,Section 415-00 and update the APIM software. After Installation, complete pop-up appears, remove USB flash drive and install into IDS tool to update Ford database. Perform a complete ignition cycle by turning the key off for 5 minutes which is critical for a successful installation. If no updates are available or a blue or black screen is present after an update refer to WSM, Section 415-00 for diagnosis or SYNC 3 intermittent blank screen GSB for tips. For claiming, use causal part 14G371 and applicable labor operations in section 10 of the SLTS manual. Section
SSM 478502019-05-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Some 2013-2019 vehicles equipped with a EVDC air conditioning (A/C) compressor may exhibit poor A/C performance/improper climate function and/or a diagnostic trouble code (DTC) P06A0 in the powertrain control module (PCM). To support the proper diagnosis of this compressor, the EVDC control valve tester has been developed and is available from Rotunda (339-EVDC100). A tester has been provided to each U.S. dealership free of charge with shipments completed 19-Apr-2019 (reference EFC07013 on FMCDealer.com). This tester will help reduce the potential for misdiagnosis and unnecessary compressor replacement. Make sure that this tester is used for warranty repairs and document the test results in the Technician Comments field. Refer to the Rotunda catalog for a video and user manual which provide detailed operating instructions.
SSM 478242019-04-08. Service bulletin. ELECTRICAL SYSTEM. Some 2015-2017 vehicles may experience a no crank concern due to a security access key table error. When attempting to program keys or perform a parameter reset, the procedure may fail and the Integrated Diagnostic System (IDS) scan tool may display an error 232: Key Table Not Allocated. If this error message is encountered, the Body Control Module (BCM) is internally faulted and requires replacement. For claiming, use causal part 15604 and applicable labor operations in section 10 of the Service Labor Times Standards (SLTS) manual.
SSM 478212019-04-08. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2019 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 prior to programing 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.
SSM 478142019-04-08. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; SEATS; ELECTRICAL SYSTEM. Some 2016-2019 Explorer, 2016-2018 MKX, 2019 Edge/Nautilus, 2017-2019 Fusion/MKZ, and 2018-2019 F-150/Mustang/Expedition/Navigator vehicles equipped with climate controlled seats may exhibit a buzzing noise from the front seats, front seats too warm, and/or inoperative climate controlled front seats. DTCs B14BA:13, B1154:4B, and/or B14B9:13 may also be present. This may be due to loose terminal pin fit on the driver seat module (DSM) connector C341D (16 pin). If a loose terminal pin fit condition is found during normal diagnostics per Workshop Manual (WSM), Section 501-10, a new service pigtail connector (part number 3U2Z-14S411-BRAB) is available. Refer to Wiring Diagram, Cell 119 to make sure C341D is a 16 pin connector and not a 20 pin connector. Refer to Wiring Diagram, Cell 5 for the recommended splicing procedures.
SSM 478242019-04-01. Service bulletin. ELECTRICAL SYSTEM. Some 2015-2017 vehicles may experience a no crank concern due to a security access key table error. When attempting to program keys or perform a parameter reset, the procedure may fail and the Integrated Diagnostic System (IDS) scan tool may display an error 232: Key Table Not Allocated. If this error message is encountered, the Body Control Module (BCM) is internally faulted and requires replacement. For claiming, use causal part 15604 and applicable labor operations in section 10 of the Service Labor Times Standards (SLTS) manual.
SSM 478212019-04-01. Service bulletin. ELECTRICAL SYSTEM. Some 2018-2019 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 prior to programing 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.
SSM 477502019-03-04. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2018-2019 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 prior to programing 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.
SSM 477112019-03-04. Service bulletin. ELECTRICAL SYSTEM. Some 2016-2019 Ford and Lincoln vehicles equipped with SYNC 3 and a 6, 8 or 10 inch screen may show a pop-up message every key cycle that states 'SYNC can check for updates when connected to a WiFi network'. To remove the inconvenience of the pop-up the customer can either connect to a trusted WiFi network to complete the setup process or turn off WiFi in the WiFi settings located under the Settings menu. Adjusting the setting for the customer is not a warrantable defect.
TSB 18-23702019-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Some 2018-2019 Mustang vehicles built on or before 17-Oct-2018 equipped with a 2.3L EcoBoost engine and operating in altitudes of 1067 meters (3500 feet) above sea level and higher may exhibit an illuminated MIL with only DTC P0068 stored in the powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

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