2020 Ford Mustang Technical Service Bulletins

184 technical service bulletins (TSBs) are on record for the 2020 Ford Mustang. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10205482Dec 14, 2021Equipment. Some 2018-2021 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…
• 10205528Dec 1, 2021Transmission and drivetrain. Some 2018-2021 Expedition/Navigator, 2018-2020 F-150/Mustang and 2019-2021 Ranger vehicles equipped with a 10R80 automatic transmission may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P163E stored in the powertrain control module (PCM) or transmission control module (TCM) after replacing the main control valve body.
• 10203656Nov 19, 2021Electrical system, Equipment. This article supersedes TSB 21-2342 to update the Issue, Action, and Service Procedure. 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 and 2021 Bronco Sport vehicles with SYNC 3 may experience various SYNC performance related concerns including but not limited to: Sirius audio…
• 10203650Nov 5, 2021Engine cooling, Transmission and drivetrain. Some 2020-2021 Mustang GT500 vehicles built on or before 30-June-2021 may exhibit a no crank/no start with no powertrain control module (PCM) communication condition if the oil level is approximately 1 or more quarts low and the oil life is at or less than 20%. This may be due to various parameters within the PCM. To correct the condition, follow the Service Procedure to reset and reprogram the PCM.
• 10203841Nov 2, 2021Other or unknown. 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…
• 10202705Oct 8, 2021Electrical system, Equipment. 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 and 2021 Bronco Sport vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure to update the accessory protocol interface module (APIM) software.
• 10201905Sep 28, 2021Transmission and drivetrain. Some 2017-2020 F-150, 2018-2021 Expedition/Navigator/Mustang and 2019-2021 Ranger vehicles equipped with a 10R80 automatic transmission may exhibit a harsh engagement/harsh shift/delayed shift.
• 10201637Sep 24, 2021Transmission and drivetrain. Some 2020 Mustang GT350 - 2020-2021 Mustang Mach 1/Shelby GT500 vehicles may exhibit a rear differential fluid leak at the differential cooler line fittings. This may be due to a seal within the fittings. To correct the condition, follow the service procedure to replace both rear differential cooler line fittings.
• 10201586Sep 10, 2021Transmission and drivetrain, Engine cooling. Some 2020 Mustang vehicles equipped with a 5.0L engine built on 01-Sep-2020 and through 01-Dec-2020 may experience an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0369 in the powertrain control module (PCM). This may be due to a flatness concern on the mega cap on the right hand cylinder head. To correct the condition, replace the right-hand cylinder head. Refer to Workshop…
• 10201620Sep 9, 2021Equipment, Transmission and drivetrain. 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 and 2021 Bronco Sport vehicles with SYNC 3 may experience various SYNC performance related concerns To correct the condition, follow the Service Procedure to update the accessory protocol interface module (APIM) software.
• 10201579Sep 6, 2021Fuel system, Engine cooling. Some 2017-2021 Ford and Lincoln vehicles equipped with 3.3L, 3.5L EcoBoost, or 5.0L engines may exhibit stalling, lack of power, low fuel rail pressure and/or DTCs P0087 or P008A after a repair was made that required the removal of the fuel line that connects the high-pressure fuel pump to the port injection rail, such as injector replacements or base engine repairs. This line must be installed in the correct…
• 10201064Aug 31, 2021Transmission and drivetrain. Some 2020-2021 Mustang GT500 vehicles may exhibit a clatter noise/vibration in reverse (R) at 3-8 mph (5-13 km/h) and/or an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) P175C, P175D, P175E, P0844, P0849 and/or P0874 set in the transmission control module (TCM). This may be due to the software in the TCM. To correct the condition, follow the Service Procedure steps to…
• 10201063Aug 31, 2021Transmission and drivetrain. Some 2020-2021 Mustang GT500 vehicles may exhibit a transmission fluid leak caused by improperly seated or cracked transmission cooler tubes attached to the transmission case. This may be due to the retaining bolts being cross threaded causing the seals to leak and/or crack the lines. If the threads in the transmission case that the cooler tube retaining bolts go into are damaged, it is not necessary to replace the…
• 10201050Aug 27, 2021Electrical system. Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTC) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. This may be due to small debris causing the VCT solenoid to stick. Before attempting any component diagnosis or replacement of the VCT solenoid, refer to Powertrain Control and Emissions Diagnosis (PC/ED) pinpoint test…
• 10201034Aug 25, 2021Brakes. Some 2013-2021 Ford and Lincoln vehicles may exhibit noise when the brakes are applied. When diagnosing and repairing brake noise conditions, use the Workshop Manual (WSM) and the appropriate pinpoint test in section 206-00. The brake rotors should only be machined if directed by the WSM because one or more of the following conditions are present on the braking surface: scoring, excessive corrosion/rust or pitting…
• 10201019Aug 17, 2021Transmission and drivetrain. Some 2017-2021 Ford and Lincoln vehicle customers may receive a message in their FordPass or Lincoln Way App stating Feature Unavailable. Since this is a fleet vehicle, it cannot access the SYNC Connect or FordPass Connect feature or Lincoln Connect or Embedded Modem Do not replace the TCU or perform any repair to resolve this condition. Refer the owner of the vehicle to Ford Pass Guides or Lincoln Way Concierge…
• 10201013Aug 16, 2021Electrical system. Some 2016-2021 Ford or Lincoln vehicles equipped with SYNC 3 or SYNC 4 may exhibit a blank screen or other various SYNC symptoms only when the vehicle is in transport mode. This is considered normal due to the power saving features enabled while in transport mode. It is beneficial for battery life to keep the vehicle in transport mode until the vehicle is prepped for sale.
• 10200743Aug 10, 2021Equipment, Electrical system. 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 and 2021 Bronco Sport vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.
• 10199536Jul 22, 2021Seats. Some 2013-2018 C-Max, 2013-2020 Fusion/MKZ, 2013-2021 Escape, 2015-2018 Focus, 2015-2019 MKC, 2015-2021 Edge/F150/Mustang, 2016-2018 MKX, 2016-2019 Explorer, 2017-2021 F-Super Duty, 2018-2021 EcoSport/Expedition, 2019-2021 Ranger/Nautilus, 2021 Bronco Sport/Mustang Mach-E 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…
• 10199522Jul 13, 2021Equipment. Some 2018-2021 Mustang coupe vehicles may exhibit a sagging headliner or gap where the headliner meets the upper door weatherstrip. This may be due to an outward bent door frame moulding not allowing the weatherstrip to overlap the headliner properly. To correct this condition, follow the Service Procedure to replace the door frame moulding.
• 10198640Jun 14, 2021Equipment. Some 2019-2021 Ford and Lincoln vehicles may exhibit an intermittent audio echo/robotic voice heard during a bluetooth phone call by the person that is not in the vehicle. Using Apple CarPlay and Android Auto instead of Bluetooth can help alleviate the concern. Also turning on, then off, the privacy setting in the SYNC touchscreen can temporarily alleviate the concern. Engineering is currently investigating this…
• 10198613Jun 8, 2021Engine cooling. In some of the affected vehicles, the engine's secondary timing chain tensioner may not have been properly activated during assembly, which could result in a timing loss. Timing loss could lead to internal engine damage, a rough running engine , and engine misfires.
• 10194515May 26, 2021Engine cooling. Certain 2020 Model Year Mustang GT500/GT350 Equipped with a 5.2L Engine Secondary Timing Chain Tensioner
• 10194428May 24, 2021Transmission and drivetrain, Engine cooling. Some 2015-2021 Ford and Lincoln vehicles may exhibit an illuminated MIL with diagnostic trouble codes (DTC) P0011, P0012, P0014, P0015, P0016, P0017, P0018, P0019, P0021, P0022, P0024 and/or P0025. This may be due to small debris causing the VCT solenoid to stick. Before attempting any component diagnosis or replacement of the VCT solenoid, refer to Powertrain Control and Emissions Diagnosis (PC/ED) pinpoint test…
• 10194425May 24, 2021Electrical system, Equipment. Some 2017-2021 Ford and Lincoln vehicle owners may experience a condition of missing Authorization, Command and Control, Battery Charging Details or Phone-as-a-Key setup buttons/selections in their FordPass or LincolnWay App. This condition is due to an error within the FordPass or LincolnWay App and not due to a concern on the vehicle. Verify that the customers FordPass or LincolnWay App is at the latest version.
• 10194436May 18, 2021Body and structure, Equipment. Some 2020-2021 Mustang Shelby GT500 vehicles may exhibit a cracking on the hood inner panel. The crack is a cosmetic condition, not a structural concern. This may be due to a variation in production of the hood. To correct the condition, follow the Service Procedure to repair the hood crack.
• 10194419May 18, 2021Equipment, Electrical system. 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…
• 10194433May 13, 2021Electrical system, Equipment. 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 and 2021 Bronco Sport vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.
• 10194413May 12, 2021Electrical system, Other or unknown. Some 2018-2021 Ford and Lincoln vehicles may not be able to perform remote commands via the FordPass/LincolnWay App due to an erroneous deep sleep message. If the vehicle has been driven within 14 days and the battery state of charge is above 9.5 volts when the deep sleep message set, this is an erroneous message. Starting and running the vehicle will clear the message and allow the remote commands to function again.
• 10191525Apr 29, 2021Engine cooling. Some 2011-2021 Mustang and F-150 vehicles equipped with a 5.0L engine may exhibit a ticking noise at idle after an engine oil change. It is often referred to as typewriter noise because of its similarity to the sound of a mechanical typewriter. The noise in question may be heard on some engines when engine temperatures reach 150F (65à’C) or higher and engine speed is at idle up to approximately 1700 RPMs.
• 10191521Apr 28, 2021Back-over prevention (rear camera). Some 2018-2021 vehicles supported by FDRS may not list a software update for a module under the SW Updates tab although an SSM or TSB is published for a software update. This may be due to the module already being at the latest software level. A later software level may have been programmed at the assembly plant, during a previous dealer visit or by an over the air (OTA) update for vehicles that have automatic…
• 10191520Apr 26, 2021Engine cooling. Certain 2020 Model Year Mustang GT500/GT350 Equipped with a 5.2L Engine Secondary Timing Chain Tensioner In some of the affected vehicles, the engines secondary timing chain tensioner may not have been properly activated during assembly, which could result in a timing loss. Timing loss could lead to internal engine damage, a rough running engine, and engine misfires.
• 10191174Apr 12, 2021Transmission and drivetrain. Some 2020-2021 Mustang GT500 vehicles may exhibit a transmission fluid leak caused by improperly seated transmission cooler tubes attached to the transmission case. If the threads in the transmission case that the cooler tube retaining bolts go into are damaged, it is not necessary to replace the transmission. These threads can be repaired. To correct the condition, follow the Service Procedure to repair these…
• 10189779Mar 9, 2021Electrical system, Equipment. Some 2019-2020 Mustang vehicles equipped with a 5.0L engine and a MT82 manual transmission may exhibit a concern of inoperative reverse camera and inoperative reverse lights.
• 10187999Feb 17, 2021Equipment. Some 2020 Mustang vehicles may exhibit a Passive Anti-Theft System (PATS) parameter reset or key programming error stating General Error. This may be due to a concern with previous Integrated Diagnostic System (IDS) software. Use the latest software level of the appropriate Ford diagnostic scan tool to complete the parameter reset.
• 10187985Feb 16, 2021Transmission and drivetrain. Some 2020-2021 Mustang GT500 vehicles may exhibit various transmission related concerns and/or DTCs. In addition to following normal Workshop Manual (WSM) diagnostics, inspect C105, an inline connector next to the right side valve cover, for signs of pushed out terminals, terminal damage, or harness damage. If any pushed out terminals, terminal damage, or harness damage is found, repair as necessary.
• 10187932Feb 4, 2021Equipment. Some 2020 Mustang GT500 vehicles may exhibit a battery drain concern when the customer applies the electric parking brake after turning the ignition off. This may be caused by the operation of the antilock brake (ABS) module software. To correct this condition, reprogram the ABS module using the latest version of the appropriate Ford diagnostic scan tool. For claiming, use causal part 2C219 and any applicable labor…
• 10187930Feb 3, 2021Equipment. 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 on the PTS website…
• 10186595Jan 13, 2021Transmission and drivetrain. Some 2020 Mustang GT500 vehicles may exhibit various transmission related concerns and/or DTCs. In addition to following normal Workshop Manual (WSM) diagnostics, inspect C105, an inline connector next to the right side valve cover, for signs of pushed out terminals, terminal damage, or harness damage. If any pushed out terminals, terminal damage, or harness damage is found, repair as necessary.
• 10186563Jan 5, 2021Equipment. Some 2020 Ford and Lincoln vehicles may exhibit the vehicle locator feature display the vehicle location incorrectly when using the Ford Pass/Lincoln Way mobile app. Customers may report that the vehicle location that is displayed is the Ford manufacturing facility were the vehicle was assembled, yet all other features work as intended. This may be due to the vehicle location not updating since assembly.
• 10183568Nov 10, 2020Body and structure, Latches, locks and linkages, Equipment. Some 2020 Mustang GT500 vehicles may exhibit a difficulty opening or closing the hood. This may be due to the hood pin assemblies sticking in place. To correct this condition, open the hood, depress both buttons on both pins so that they remain in the depressed position. Use a shop rag to apply a light coating of Motorcraft XL-10 or equivalent to both of the hood pin assemblies on the inside of the depressed area…
• 10183567Nov 9, 2020Equipment. For 2011-2020 F-150/Mustang vehicles equipped with a 5.0L engine when installing a replacement secondary timing chain tensioner (6K254) or secondary timing chain guide (6K297), it is necessary to replace both components as a pair, using the latest level parts. Make sure to use secondary timing chain tensioner part number ML3Z-6K254-A and secondary timing chain guide part number ML3Z-6K297-A.
• 10183561Nov 2, 2020Equipment, Seats. Some 2015-2020 Mustang vehicles may exhibit a concern of the rear seat cover appearing loose or having the foam underneath the seat cover exposed. This condition is most apparent at the front outer corners of the lower seat cushion. This may be due to the seat cover coming loose. This can be corrected by tucking the corners of the seat cushion underneath the seat cover. Any loose seat cover material can also be…
• 10181931Oct 29, 2020Electrical system, Transmission and drivetrain. 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…
• 10181913Oct 26, 2020Equipment, Electrical system. 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.
• 10181912Oct 26, 2020Electrical system, Equipment. 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…
• 10181924Oct 20, 2020Electrical system. Some 2019 MKZ, 2019-2020 EcoSport/Mustang/Continental/Fusion/F-150/Transit Connect/Ranger/Edge/Nautilus and 2020 Escape/Corsair/Aviator/Explorer/Expedition/Navigator/F-Super Duty vehicles with SYNC 3 may experience various SYNC performance related concerns. To correct the condition, follow the Service Procedure.
• 10181906Oct 8, 2020Seats. Some 2015-2020 Mustang vehicles may exhibit a concern of no horizontal movement of the front power seats. This may be caused by a defective seat track motor or separation of the drive motor cable from the seat track. The seat track motor assembly is available separately (14547) and replacement of the complete seat frame assembly (9661711) may not be required. Refer to Workshop Manual, Section 501-10A for seat track…
• 10180674Sep 29, 2020Electrical system, Equipment. 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…
• 10180428Sep 25, 2020Engine cooling. Some 2009-2020 Ford and Lincoln vehicles equipped with turbochargers may exhibit an oil leak from the turbocharger oil supply or return tubes, O-rings or 6.7L pedestal gasket. Although oil may collect on the turbocharger, it is very rare for a turbocharger to leak oil. To isolate the source of the leak, refer to Workshop Manual (WSM), Section 303-00 General Information > Diagnosis and Testing > Engine > Engine Oil…

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