NHTSA ID Number: 10228802
Manufacturer Communication Number: TSB 22-2491
Some 2021-2022 Mustang Mach-E built on or before 17-Sep-2022, 2022 e-Transit vehicles may exhibit an illuminated red triangle indicator lamp with diagnostic trouble code (DTC) P27B4 stored in the secondary on-board diagnostic control module C (SOBDMC) or the charge status indicator (CSI) is blinking red with DTC P0A7F stored in the battery energy control module (BECM) and/or P0CF7 stored in the secondary on-board diagnostic control module A (SOBDM). This may be due to an unsecured plug-in electric vehicle supply equipment (EVSE). To correct the condition, follow the Service Procedure to reprogram the SOBDM.
2021-2022 Mustang Mach-E
Built on or before 17-Sep-2022
Markets: Canada, USA
Issue: Some 2021-2022 Mustang Mach-E built on or before 17-Sep-2022, 2022 e-Transit vehicles may exhibit an illuminated red triangle indicator lamp with diagnostic trouble code (DTC) P27B4 stored in the secondary on-board diagnostic control module C (SOBDMC) or the charge status indicator (CSI) is blinking red with DTC P0A7F stored in the battery energy control module (BECM) and/or P0CF7 stored in the secondary on-board diagnostic control module A (SOBDM). This may be due to an unsecured plug-in electric vehicle supply equipment (EVSE). To correct the condition, follow the Service Procedure to reprogram the SOBDM.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
- One of the following vehicles:
- At least one of the following conditions:
- Illuminated red triangle with P27B4 stored in the SOBDMC
- CSI is blinking red with DTC P0A7F stored in the BECM and/or P0CF7 stored in the SOBDM
1. Connect a battery charger to the 12-volt battery.
NOTE: To prevent the battery saver mode from activating on the vehicle, make sure the negative cable of the charger is installed on a chassis or engine ground, and not the 12-volt battery negative terminal. Do not have the vehicle plugged into the high voltage battery charger during programming. This can cause incorrect module programming. Make sure only the 12-volt battery charger is installed.
2. Reprogram the powertrain control module (PCM) using the latest software level of the Ford Diagnosis and Repair System (FDRS) scan tool.
3. Check the availability of software updates on the following modules and update as required:
(1). Secondary on-board diagnostic control module (SOBDM)
(2). Battery energy control module (BECM)
(3). Secondary on-board diagnostic control module B (SOBDMB)
(4). Secondary on-board diagnostic control module C (SOBDMC)
(5). Anti-lock brake system (ABS) module
NOTE: Only one module may be updated at a time.
3 Affected Products
|FORD||MUSTANG MACH E||2021-2022|
1 Associated Document
Service Information & Reprogramming
|Diagnostic Software||Interface Device||Complete Vehicle Diagnostics||Module Programming|
|IDS/FDRS||VCM, VCM II, VCMM||X||X||X||X|
|FJDS/FDRS||Compatible J2534 Devices
(Including VCM II and VCMM)
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.
|CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool|
|VSI J2534 ECU Reprogrammer|
|Drew Tech Mongoose Pro USB to CAN ISO9141 Interface|
Latest Calibration Information
Module Build Data (As-Built)
Use VIN to obtain As-Built data
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TECHNICAL SERVICE BULLETIN Red Triangle Illuminated Or CSI Blinking Red With DTCs P27B4, P0A7F And/Or P0CF7 – Built On Or Before 17-Sep-2022 22-2491 15 December 2022 Model: Ford 2021-2022 Mustang Mach-E 2022 e-Transit Built on or before 17-Sep-2022 Markets: Canada, USA Issue: Some 2021-2022 Mustang Mach-E built on or before 17-Sep-2022, 2022 e-Transit vehicles may exhibit an illuminated red triangle indicator lamp with diagnostic trouble code (DTC) P27B4 stored in the secondary on-board diagnostic control module C (SOBDMC) or the charge status indicator (CSI) is blinking red with DTC P0A7F stored in the battery energy control module (BECM) and/or P0CF7 stored in the secondary on-board diagnostic control module A (SOBDM). This may be due to an unsecured plug-in electric vehicle supply equipment (EVSE). To correct the condition, follow the Service Procedure to reprogram the SOBDM. Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria: • One of the following vehicles: – 2021-2022 Mustang Mach-E built on or before 17-Sep-2022 – 2022 e-Transit • At least one of the following conditions: – Illuminated red triangle with P27B4 stored in the SOBDMC – CSI is blinking red with DTC P0A7F stored in the BECM and/or P0CF7 stored in the SOBDM Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Emissions Warranty/Service Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/Emissions Warranty/SPW/SSP/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. Labor Times Description 2021-2022 Mustang Mach-E, 2022 e-Transit: Reprogram The Appropriate Modules As Required By The Software Update And Service Procedure (Do Not Use With Any Other Labor Operations) Operation No. MT222491 Time Actual Time Repair/Claim Coding Causal Part: 10B689 Condition Code: 04 Service Procedure 1. Connect a battery charger to the 12-volt battery. NOTE: To prevent the battery saver mode from activating on the vehicle, make sure the negative cable of the charger is installed on a chassis or engine ground, and not the 12-volt battery negative terminal. Do not have the vehicle plugged into the high voltage battery charger during programming. This can cause incorrect module programming. Make sure only the 12-volt battery charger is installed. 2 powertrain control module (PCM) using the latest software level of the Ford Diagnosis and Repair stem (FDRS) scan tool. 3. Check the availability of software updates on the following modules and update as required: (1). Secondary on-board diagnostic control module (SOBDM) (2). Battery energy control module (BECM) (3). Secondary on-board diagnostic control module B (SOBDMB) (4). Secondary on-board diagnostic control module C (SOBDMC) (5). Anti-lock brake system (ABS) module NOTE: Only one module may be updated at a time. © 2022 Ford Motor Company All rights reserved. NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information that could assist in proper vehicle service. The procedures should not be performed by “do-it-yourselfers”. Do not assume that a condition described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article. The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right de this information with updates. The most recent information is available through Ford Motor Company’s on-line technical resources.