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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Bulletins, newest first
21N102022-10-05. Service bulletin. LATCHES/LOCKS/LINKAGES. Certain 2015 – 2021 Model Year Mustang Convertible Vehicles Door Opens to Secondary Latch Position Submitting Owner Letter
TSB 22-23622022-09-30. Service bulletin. PARKING BRAKE. Some 2020-2022 Mustang Shelby GT500 vehicles may exhibit an intermittent parking brake fault message in the instrument panel cluster (IPC) with diagnostic trouble codes (DTCs) C1034, C2005, C2006, C2007 and/or C2008 stored in the anti-lock brake system (ABS) module and/or a parking brake that sticks after being applied. This may be due to internal binding of the piston within the parking brake caliper. To correct the condition, follow the Service Procedure to replace the parking brake caliper(s).
TSB 22-23392022-09-23. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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. This may be due to software incompatibility between the replacement main control valve body solenoid strategy file and the PCM/TCM software. To correct this condition, follow the Service Procedure to enter only the 13-digit solenoid body strategy when downloading transmission strategy.
SSM 509752022-08-02. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 Ford/Lincoln customers may experience a notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. This occurs when the vehicle has not been started for 14 consecutive days, battery voltage is at/below 9.5 volts or the body control module (BCM) 12 volt battery state of charge (SOC) drops below 50%. A warning may also set if the telematic control unit (TCU) has received an over the air update. The TCU powers down all communication when in this mode and app features are disabled. Manually start the vehicle to wake if from mode. More information is located in the app under: Account > Help > search 'Deep Sleep' in the entry box. If the condition remains, check the BCM 12v SOC. If the SOC does not change after charging the battery or after BMS reset is performed, continue with normal battery and/or BMS sensor diagnostics.
TSB 22-23022022-07-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Some 2018-2020 Mustang vehicles equipped with a 5.0L engine and an MT-82 manual transmission may experience a loss of movement and/or difficulty shifting. This may be due to excessive wheel hop which is caused by aggressive acceleration at low speeds while using launch control. To correct the condition, follow the Service Procedure to replace the failed components and replace the peak torque limiter.
TSB 22-22802022-07-18. Service bulletin. EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2020-2021 Mustang GT500 vehicles may experience erratic and harsh shifting at highway speeds and/or perceived lack of power when accelerating from a stop, with a powertrain malfunction (wrench) indicator and diagnostic trouble codes (DTCs) P1601 and/or P061A stored in the powertrain control module (PCM) while using SelectShift. This may be due to the software in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
TSB 22-22542022-07-01. Service bulletin. BACK OVER PREVENTION:SOFTWARE. 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 508732022-06-30. Service bulletin. ELECTRICAL SYSTEM. Some 2017-2022 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. Replacement or reprogramming of the telematics control unit (TCU)/gateway module (GWM)/remote function actuator (RFA) will not resolve this condition. If the condition persists, utilize the FordPass Guides or Lincoln Way Concierge teams.
TSB 22-22422022-06-27. Service bulletin. UNKNOWN OR OTHER; STRUCTURE:BODY:ROOF AND PILLARS. Some 2015-2022 Mustang vehicles may exhibit a water leak onto the front carpet that originates from the either the left or right A-pillar. This may be due to a detached A-pillar body seal. Follow the service procedure to repair the vehicle.
TSB 22-22252022-06-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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 508042022-06-01. Service bulletin. ELECTRICAL SYSTEM. Some 2013-2023 Ford or Lincoln vehicles with modems activated through FordPass or LincolnWay may experience 12 volt battery drain symptoms when the customer uses non-Ford/Lincoln phone applications as an alternate channel to access vehicle commands such as door lock/unlock, remote start, vehicle location, etc. The battery drain may be caused by excessive calls for data through the vehicle network keeping it in an activated state. Recommend that the customer uninstall the app to ensure this is not contributing to battery symptoms experienced. Advise the customer that unaffiliated third-party app developers do not work directly with Ford to adhere to security, vehicle communication, and privacy requirements.
SSM 507562022-05-16. Service bulletin. POWER TRAIN. Some 2020-2021 Mustang GT500 vehicles may experience erratic and harsh shifting at highway speeds and/or reduced speed when accelerating from a stop, with a powertrain malfunction (wrench) indicator and DTCs P1601/P061A while using SelectShift. This may be due to powertrain control module (PCM) calibration. This condition does not affect vehicle durability and no additional diagnosis or service is required at this time. Inform customers that they can continue to drive the vehicle but not to use SelectShift. Engineering is currently working on a solution for this condition that is expected in June 2022. Replacement or reprogramming of the PCM will not resolve this condition at this time. Schedule a follow-up appointment for repair in June 2022. Once the update becomes available, contact the customer and confirm the service appointment. Monitor OASIS for updates.
TSB 22-21532022-05-12. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM):SOFTWARE. This article supersedes TSB 21-2011 to update the vehicle model years affected and Service Procedure. Some 2018-2022 Mustang vehicles may exhibit various concerns with the active exhaust system. These may include Drive Mode Not Available or Exhaust Mode Not Available messages, and/or illuminated malfunction indicator lamp (MIL) with diagnostics trouble codes (DTCs) P26C5, P26C6, P26FE, P2BF9, P2BFB, P26C7, P2BF5, P2BF8, P2BFD and/or P2BFA. This may be due to an improperly seated exhaust system. To correct the condition, follow the Service Procedure to diagnose the tailpipe actuator .
SSM 506512022-05-04. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT. In various 2017-2022 Ford and Lincoln vehicles, customers may receive a message in the FordPass or LincolnWay App stating "Feature Unavailable. Since this is a fleet vehicle, it cannot access the (SYNC Connect) FordPass or LincolnWay app through the TCU Embedded Modem. If this message appears, the vehicle may be equipped with a fleet telematics module. Replacement of the TCU or TCU related repairs will not prevent this message from appearing. Please refer the customer to in app FordPass Guides or LincolnWay Concierge Teams to aid with fleet telematics removal. Open app, select Account > Help > CHAT or CALL option
SSM 507262022-05-03. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS. Some 2017-2021 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 22-21402022-04-26. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Some 2015-2020 Mustang Shelby GT350/GT350R vehicles may exhibit a hesitation or surge in the vehicle with no diagnostic trouble codes (DTCs) present. This may be accompanied by an inoperative cruise control system. This may be due to a transmission output shaft flange nut that has come loose, allowing the output shaft tone ring to move in relation to the output shaft causing an erroneous signal. To resolve the condition, follow the Service Procedure steps to replace the output shaft flange nut.
TSB 22-21392022-04-26. Service bulletin. POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Some 2017-2020 F-150, 2018-2022 Expedition/Navigator/Mustang and 2019-2022 Ranger vehicles equipped with a 10R80 automatic transmission may exhibit a harsh engagement/harsh shift/delayed shift. It is possible the vehicle may also have an illuminated malfunction indicator lamp (MIL) or diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to incompatibility of the adaptive calibration to adapt to hardware break-in over time. To correct the condition, follow the Service Procedure steps to overhaul the main control valve body and/or perform an adaptive learning drive cycle.
SSM 506722022-04-13. Service bulletin. SUSPENSION; STEERING. Some 2018-2022 Mustang vehicles (Non-Shelby) and built at Flat Rock Assembly may experience a clunk/pop type noise when turning the steering wheel. This may be due to an incorrectly installed upper spring seat which is part of the front strut assembly. To correct this condition, remove the suspect strut(s) from the vehicle and inspect the upper spring seat for damage and/or incorrect installation and repair as necessary. Refer to Workshop Manual, Section 204-01. For claiming, use casual part 18124 and the applicable labor operations of Section 03 of the Service Labor Time Standards (SLTS) Manual.
TSB 22-21042022-03-22. Service bulletin. EQUIPMENT:MECHANICAL; SEATS; EQUIPMENT. 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 505782022-03-15. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Some 2020-2021 Mustang GT500 vehicles may exhibit a lack of power and/or an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P1228. This may be due to the one-way clutch on the supercharger drive assembly. With the supercharger belt removed, a failed one-way clutch within the pulley rotates freely in both directions. The supercharger drive assembly KR3Z-6J022-B is now available as a lower level service part, separate from the supercharger assembly. Refer to the parts catalog and Workshop Manual (WSM), Section 303-12D for installation.
SSM 505552022-03-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Some 2020-2021 Mustang GT500 vehicles may experience erratic and harsh shifting at highway speeds and/or reduced speed when accelerating from a stop, with a powertrain malfunction (wrench) indicator and DTCs P1601/P061A while using SelectShift. This may be due to powertrain control module (PCM) calibration. This condition does not affect vehicle durability and no additional diagnosis or service is required at this time. Inform customers that they can continue to drive the vehicle but not to use SelectShift. Engineering is currently working on a solution for this condition that is expected in April 2022. Replacement or reprogramming of the PCM will not resolve this condition at this time. Schedule a follow-up appointment for repair in April 2022. Once the update becomes available, contact the customer and confirm the service appointment. Monitor OASIS for updates.
SSM 505022022-02-23. Service bulletin. SEATS. Some 2017-2018 Focus/MKX/C-MAX, 2017-2019 MKC/Taurus/Flex/MKT, 2017-2020 Fusion/MKZ/Continental, 2017-2022 Mustang/Edge/Explorer/Police Interceptor Utility/Escape/F-150/F-Super Duty, 2018-2022 Expedition/Navigator, 2019-2022 Ranger/Nautilus, 2020-2022 Corsair/Aviator, and 2021-2022 Mustang Mach-E vehicles may exhibit a noisy, incorrectly operating, and/or inoperative seat motor. This may be due to a damaged or inoperative seat track motor. A lower level service part has been released to correct noisy, incorrect operation/inoperative seat track motors.
21N102022-01-03. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. Certain 2015 – 2021 Model Year Mustang Convertible Vehicles Door Opens to Secondary Latch Position n some of the affected vehicles, a front door latch may open to the secondary latched position while driving. While the door is in the secondary latched position the driver will notice wind noise from the door and a door ajar warning will appear on the instrument cluster. This concern does not result in a fully opened door while driving. The occupant can open the door normally using the door handle.
TSB 21-24232022-01-01. Service bulletin. POWER TRAIN. 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. This may be due to software incompatibility between the replacement main control valve body solenoid strategy file and the PCM/TCM software. To correct this condition, follow the Service Procedure to obtain a new main control valve body with a new strategy number.
TSB 21-23572022-01-01. Service bulletin. POWER TRAIN. This article supersedes TSB 21-2315 to increase the labor operation time allowances. 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. It is possible the vehicle may also have an illuminated malfunction indicator lamp (MIL) or diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to incompatibility of the adaptive calibration to adapt to hardware wear-in over time. To correct the condition, follow the Service Procedure steps to overhaul the main control valve body and/or perform an adaptive learning drive cycle.

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