NHTSA ID Number: 10249789
Manufacturer Communication Number: TSB 24-2026
Summary
Some 2023 Escape vehicles equipped with a head up display (HUD) built on or before 16-Oct-2023 may exhibit a condition where the speed limit sign indicator is not displayed in the HUD. This may be due to the software installed in the HUD module.
Model:
Mustang Mach-E – Battery Electric Vehicle (BEV) with High Voltage (HV) Technology | Year: 2021-2023Build Date: Up to 24.06.2023
Assembly Plant: Cuautitlan (Mexico) |
Markets: All European markets
Summary
Some 2021-2023 Mustang Mach-E vehicles may exhibit a condition where the high voltage battery is slow charging or does not charge while using a level 1 or level 2 Electric Vehicle Supply Equipment (EVSE) after an Over The Air (OTA) update. This may be due to the software in the secondary on-board diagnostic control module A (SOBDM).
To rectify this concern, follow the Service Procedure to reprogram the Powertrain Control Module (PCM).
Service Instruction
Diagnostic Tool – Vehicle Connection/Communication
- Disconnect the Electric Vehicle Supply Equipment (EVSE) charge cord from the vehicle (If Required).
- Connect Diagnostic Tool to the vehicle and establish communication (VID the vehicle).
- Confirm the vehicle details are correct.
- Start a Ford Diagnosis and Repair System (FDRS) session and navigate to Toolbox tab > Datalogger > Secondary On-Board Diagnostic Control Module A (SOBDM) and Battery Energy Control Module (BECM) select the BAT_CHARG_PWR parameter identification (PID) in both modules.
• Are both BAT_CHARG_PWR -SOBDM and BAT_CHARG_PWR -BECM PIDs showing a value 0?
• Yes – this article does not apply. Refer to the corresponding Diagnosis and Testing procedures on PTS and repair as required.
• No – go to next step.
- NOTE: To prevent the battery saver mode from activating on the vehicle, verify that the negative cable of the charger is installed on a chassis or engine ground, and not the 12-volt battery negative terminal. Do not plug the vehicle into the high voltage battery charger during programming, this can cause modules to not program correctly. Only use the 12-volt battery charger during programming.Reprogram the Powertrain Control Module (PCM) using the latest software level of the appropriate Ford diagnostic scan tool.
- NOTE: Only one module may be updated at a time.Check the availability for software updates on the following modules and update as required.
- Secondary on-board diagnostic control module (SOBDM)
- Battery energy control module (BECM)
- Secondary on-board diagnostic control module B (SOBDMB)
- Secondary on-board diagnostic control module C (SOBDMC)
- Anti-lock brake system (ABS)
- Disconnect the Diagnostic Tool and battery charger.
3 Affected Products
Vehicle
1 Associated Document
Manufacturer Communications
24-2026
26 January 2024
MC-10249789-0001.pdf 250.895KB
Reprogramming
Service Information & Reprogramming
Module Reprogramming
| Diagnostic Software | Interface Device | Complete Vehicle Diagnostics | Module Programming | ||
| 1996-2017 Model Year |
2018-Present Model Year |
1996-2017 Model Year |
2018-Present Model Year |
||
| IDS/FDRS | VCM, VCM II, VCMM |
X | X | X | X |
| FJDS/FDRS | Compatible J2534 Devices (Including VCM II and VCMM) |
X | X | X | |
Detailed system requirements, installation, and support information for each product is located under the diagnostics tool support tab for each product.
Integrated Diagnostic Software (IDS) / Ford Diagnosis & Repair System (FDRS)
For use with VCM I, VCM II, VMM and VCMM hardware devices only. The complete factory Ford Motor Company vehicle diagnostic tool that provides complete dealership level vehicle diagnostic coverage for all 1996 to present Ford, Lincoln and Mercury vehicles. The IDS software includes time based access to the IDS software, software updates and calibration files.
Ford J2534 Diagnostic Software (FJDS) / Ford Diagnosis & Repair System (FDRS)
For use with compatible J2534 hardware devices. FJDS software provides Ford Module Programming functionality that covers 1996 to present Ford, Lincoln and Mercury module reprogramming functions, plus complete dealership level vehicle diagnostic software for all 2018 to present Ford and Lincoln vehicles. The FJDS software license includes time based access to the FJDS software, software updates and calibration files.
Latest Calibration Information
Module Build Data (As-Built)
Use VIN to obtain As-Built data
www.motorcraftservice.com
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SEOCONTENT-START
TECHNICAL SERVICE BULLETIN
High voltage battery slow charging or does not charge
24-2026
26 January
2024
Model:
Mustang Mach-E – Battery Electric Vehicle (BEV) with High Voltage (HV) Technology
Year: 2021-2023
Build Date: Up to 24.06.2023 Assembly Plant: Cuautitlan (Mexico)
Markets: All European markets
Summary
Some 2021-2023 Mustang Mach-E vehicles may exhibit a condition where the high voltage battery is slow charging or does not charge while using a level 1 or level 2 Electric Vehicle Supply Equipment (EVSE) after an Over The Air (OTA) update. This may be due to the software in the secondary on-board diagnostic control module A (SOBDM).
To rectify this concern, follow the Service Procedure to reprogram the Powertrain Control Module (PCM).
Labor Times
Description Operation Diagnostic Tool – Vehicle Connection/Communication – incl. select customer symptoms, reading & deleting fault codes in the relevant Ford Diagnosis and Repair System
External Power Supply – Connection (In Conjunction with Diagnostic Scan) Module – Programming 29 099 0 29 099 3
Actual Time
Repair/Claim Coding Causal Part: A036385 Condition Code: 04
Service Instruction
Diagnostic Tool – Vehicle Connection/Communication
1. Disconnect the Electric Vehicle Supply Equipment (EVSE) charge cord from the vehicle (If Required). 2. Connect Diagnostic Tool to the vehicle and establish communication (VID the vehicle). Confirm the vehicle details are correct.
Start a Ford Diagnosis and Repair System (FDRS) session and navigate to Toolbox tab > Datalogger >
Secondary On-Board Diagnostic Control Module A (SOBDM) and Battery Energy Control Module (BECM) select the BAT_CHARG_PWR parameter identification (PID) in both modules.
• Are both BAT_CHARG_PWR -SOBDM and BAT_CHARG_PWR -BECM PIDs showing a value 0?
• Yes – this article does not apply. Refer to the corresponding Diagnosis and Testing procedures on PTS and repair as required.
• No – go to next step.
3. NOTE: To prevent the battery saver mode from activating on the vehicle, verify that the negative cable of the charger is installed on a chassis or engine ground, and not the 12-volt battery negative terminal. Do not plug the vehicle into the high voltage battery charger during programming, this can cause modules to not program correctly. Only use the 12-volt battery charger during programming.
Reprogram the Powertrain Control Module (PCM) using the latest software level of the appropriate Ford diagnostic scan tool. 4. NOTE: Only one module may be updated at a time.
Check the availability for software updates on the following modules and update as required.
Secondary on-board diagnostic control module (SOBDM) Battery energy control module (BECM)
Secondary on-board diagnostic control module B (SOBDMB) Secondary on-board diagnostic control module C (SOBDMC) Anti-lock brake system (ABS)
5. Disconnect the Diagnostic Tool and battery charger. © 2024 Ford Motor Company All rights reserved.
This bulletin represents technical service information only. Without exception all gratis repairs and replacements are subject to the individual warranty and policy procedures of the supervisory Ford Company. The illustrations, technical information, data and descriptive text in this issue, to the best of our knowledge, were correct at the time of publication.
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