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Service bulletins for the 2021 Ford Mustang Mach-E

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.

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

By type

By component

By trouble code

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
PT-25.44.24 MachE2026-02-04. Over-the-air update. ELECTRICAL SYSTEM; POWER TRAIN; UNKNOWN OR OTHER; STRUCTURE:BODY. "25S65 Recall remedy -Prevents a potential lock-out condition caused by the vehicle's battery being discharged"
TSB 25-23442025-07-30. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This article supersedes TSB 21-2245 to update labor times from M-time to AP-time and add a cap. Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: * "Stop Safely Now" message in the instrument panel cluster (IPC) * Illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) P1A10, U0293 and/or U1011 * Loss of power This may be due to the parameters in the powertrain control module (PCM).
TSB 25-22782025-07-01. Service bulletin. POWER TRAIN; UNKNOWN OR OTHER; VEHICLE SPEED CONTROL; FUEL/PROPULSION SYSTEM. Some of the vehicles listed in the Model statement above may exhibit the condition that the traction control feature cannot be turned off/disabled through the vehicles center display screen. Customers will see the soft button slide to the off position, then re-enable itself a couple seconds later. This may be due to the software in the instrument panel cluster (IPC).
TSB 24-21872024-06-13. Service bulletin. POWER TRAIN. Some 2021-2023 Mustang Mach-E vehicles may exhibit a "1 Pedal Drive Fault - Press Brake Pedal To Reduce Speed" warning message displayed in the instrument panel cluster (IPC). The customer may also notice that the 1 Pedal Drive feature has been deactivated. A diagnostic trouble code (DTC) P0C2F:92 may also be stored in the secondary on-board diagnostic module-C (SOBDMC). This concern may also be present when one pedal drive mode is enabled. This may be due to the SOBDMC. To correct the condition, follow the Service Procedure to reprogram the powertrain modules using the latest level of the Ford Diagnosis and Repair System (FDRS).
TSB 24-20382024-03-07. Service bulletin. POWER TRAIN. This article supersedes 22-2253 to update the parts list. Some 2021 Mustang Mach-E vehicles built on or before 05-Oct-2021 may exhibit a clunk/knock noise from the rear of the vehicle when accelerating or braking in forward or reverse. This may be due to one of the rear upper trailing arm bushing blades contacting the inner core during high load. To correct the condition, follow the Service Procedure to replace the rear upper trailing arm.
TSB 23-23992024-01-05. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2021-2023 Mustang Mach-E vehicles may exhibit a condition where the high voltage battery stops charging when connected to level 1 or level 2 chargers with an illuminated malfunction indicator lamp (MIL) and diagnostic trouble code (DTC) P2C94 stored in the secondary on-board diagnostic control module A (SOBDM). This may be due to the software in the SOBDM. To correct this condition, follow the Service Procedure to reprogram the powertrain control module (PCM).
SSM 517052023-06-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Some 2021-2023 Mustang Mach-E and 2022-2023 E-Transit vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P0ADA, P0ADE, P0AA1, and/or P0AA4 stored in the battery energy control module (BECM) after high voltage battery junction box (HVBJB) replacement. Vehicle may also exhibit reduced powertrain performance and/or a Stop Safely Now message displayed in the instrument panel cluster (IPC) and/or High-Voltage Battery Warning message in the FordPass application. This may be due to the BECM software. To correct the condition, download and run the BECM - Reset Diagnostic Trouble Code (DTC) Occurrence Counter application in Ford Diagnosis and Repair System (FDRS). If the concern persists, refer to Workshop Manual (WSM), Section 414-03A for normal diagnostics. Some 2021-2023 Mustang Mach-E and 2022-2023 E-Transit vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P0ADA, P0ADE, P0AA1, and/or P0AA4 stored in the battery energy control module (BECM) after high voltage battery junction box (HVBJB) replacement. Vehicle may also exhibit reduced powertrain performance and/or a Stop Safely Now message displayed in the instrument panel cluster (IPC) and/or High-Voltage Battery Warning message in the FordPass application. This may be due to the BECM software. To correct the condition, download and run the BECM - Reset Diagnostic Trouble Code (DTC) Occurrence Counter application in Ford Diagnosis and Repair System (FDRS). If the concern persists, refer to Workshop Manual (WSM), Section 414-03A for normal diagnostics
TSB 23-21682023-06-01. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Some 2021-2022 Mustang Mach-E vehicles equipped with all-wheel drive (AWD) may exhibit a whine noise from the front drive unit when driving steady speed between 30-40 mph (48-64 km/h) without diagnostic trouble codes (DTCs) present. This may be due to software parameters. To correct the condition, follow the Service Procedure to reprogram the powertrain control module (PCM)
TSB 22-24902023-01-05. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Some 2021-2022 Mustang Mach-E vehicles built on or before 14-Sep-2022 may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P07E4:00 stored in the secondary on-board diagnostic control module C (SOBDMC) and/or unable to engage park (P). This may be due to the software in the SOBDMC. To correct this condition, follow the Service Procedure to reprogram the powertrain control module (PCM).
SSM 511912022-11-30. Service bulletin. POWER TRAIN. Some 2021-2022 Mustang Mach-E built on or before 17-Jan-2022, 2022 Escape built on or before 03-Mar-2022, Bronco Sport built on or before 04-Mar-2022, 2022 Maverick built on or before 25-Jan-2022 and 2022 Transit built on or before 17-May-2022 may exhibit a powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0929:77 stored in the gear shift module (GSM). This may be due to the software in the GSM. To correct this condition, perform Pinpoint Test D. Refer to Workshop Manual (WSM), Section 307-05 > Diagnosis and Testing. If the GSM is not operating correctly, perform the replacement of the GSM. Do not perform a PMI after installing a new GSM assembly. The GSM is shipped with the latest software level. For claiming, use causal part 7P155 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
SSM 511372022-10-25. Service bulletin. POWER TRAIN. Some 2021-2022 Mustang Mach-E/Escape plug-in hybrid electric vehicle (PHEV), 2020-2022 Aviator PHEV, and 2022 Transit battery electric vehicle (BEV) vehicles may experience an illuminated powertrain malfunction (Wrench) indicator and/or malfunction indicator lamp (MIL) with secondary on board diagnostic control module (SOBDM) diagnostic trouble code (DTC) U3000:49. This may be due to an internal SOBDM concern. To correct the concern, replace the SOBDM following Workshop Manual, Section 414-03B Removal and Installation, Secondary On-board Diagnostic Control Module. For claiming use base part # 10B689 and the applicable labor operations of Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 22-23432022-09-30. Service bulletin. POWER TRAIN. Some 2021-2022 Mustang Mach-E vehicles built on 01-Aug-2021 and through 18-Jan-2022, 2022 Maverick vehicles built on 13-Sep-2021 and through 18-Jan-2022, 2022 Escape vehicles built on 24-Sep-2021 and through 18-Jan-2022, 2022 Bronco Sport vehicles built on 08-Nov-2021 and through 18-Jan-2022 may exhibit a shift knob can be rotated without stepping on the brake pedal, although the transmission remains in park (P). This condition may be intermittent, more noticeable in warmer temperatures. DTC P0929 may also be set in the gear shift module (GSM). This may be due to a GSM concern. To correct the condition, follow the Service Procedure to update the GSM.
SSM 510572022-09-01. Service bulletin. POWER TRAIN. Some 2021-2022 Mustang Mach-E, 2022 Escape/Bronco Sport/Maverick/Transit vehicles may exhibit a powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0929:77 stored in the gear shift module (GSM). This may be due to the software in the GSM. To correct this condition, reprogram the GSM module using the latest software level of the Ford Diagnosis and Repair System (FDRS). For claiming, use causal part 7P155 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.
TSB 22-20572022-03-01. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Some 2021 Mustang Mach-E vehicles may experience an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P1A3C, U3000:16, U3000:64, U3000:04 and/or U3000:45 in the off board charging controller (OBCC) module and the high voltage (HV) battery will not charge using a level 3 DC fast charging station/electrical vehicle supply equipment (EVSE). This may be due to OBCC software. To correct the condition, follow the Service Procedure to reprogram the OBCC.
TSB 22-20562022-03-01. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Some 2021 Mustang Mach-E vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator and/or a malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0A7F and/or P062F in the battery energy control module (BECM). This may be due to the BECM software. To correct the condition, follow the Service Procedure to reprogram various modules starting with the powertrain control module (PCM) and perform BECM High Voltage Battery Capacity Relearn.
SSM 505132022-02-23. Service bulletin. POWER TRAIN. Some 2021 Mustang Mach-E vehicles built on or before 15-Sep-2021 may exhibit a clicking type noise from the front drive area on hard left or right turns. This may be due to an internal halfshaft issue. To correct the condition, replace the appropriate front halfshaft. For replacement, refer to Workshop Manual (WSM), Section 205-04 Front Drive Halfshaft, Removal and Installation. For claiming, use casual part 3B436 (for right side halfshaft or both sides) or 3B437 (left side halfshaft only) and the applicable labor operations of Section 03 of the Service Labor Time Standards (SLTS) Manual.
TSB 22-20342022-02-16. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Some 2021 Mustang Mach-E vehicles may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P0D2A. This may be due to the parameters in the powertrain control module (PCM). To correct the condition, follow the Service Procedure to reprogram various modules starting with the PCM.
SSM 504752022-02-16. Service bulletin. SERVICE BRAKES, HYDRAULIC; POWER TRAIN. Some 2021 Mustang Mach-E vehicles may show a Ford Diagnosis and Repair System (FDRS) anti-lock brake system (ABS) module software update available after a successful coordinated PCM software update. If the coordinated PCM software update on the PCM, BECM, SOBDMC and ABS completed, the ABS software update app still being present in FDRS can be disregarded. No further programming for this condition is required.
TSB 21-24052021-12-01. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Some 2021 Mustang Mach-E vehicles built on or before 09-Sep-2021 may exhibit an illuminated powertrain malfunction indicator (wrench) lamp and/or display the message Shift System Fault Service required with DTC U0103:87 stored in the secondary on board diagnostic module (SOBDMC). Some vehicles may also exhibit DTCs U0100:00, U0121, U0140, and/or U0155 stored in the gear shift module (GSM). This may be due to the software in the GSM. To correct the condition, follow the Service Procedure to reprogram the GSM.
SSM 501402021-09-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN. Some 2021 Mustang Mach-E, F-150, and Edge vehicles may experience a GWM and/or TCU programming failure with an error message displayed in the Ford Diagnosis and Repair System (FDRS) stating The Programming Or Part Number Validation Process Has Failed. This may be due to the USB flash drive being removed from the vehicle media hub before fully completing reprogramming. Reprogram the module(s) following the vehicle onscreen prompts. After the ignition cycle during reprogramming, the touchscreen may go blank. This is a normal part of the reprogramming process. Leave the USB flash drive installed in the media hub until the touchscreen displays Update Successful.
SSM 497582021-05-03. Service bulletin. POWER TRAIN. Some 2021 Mustang Mach-E vehicles may exhibit an illuminated Powertrain Malfunction (wrench)indicator with diagnostic trouble code (DTC) P0AA6 stored in the Battery Energy Control Module (BECM). Because of the importance of the Mustang Mach-E early experience, please contact the technical assistance center for diagnostic support.

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