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August 22, 2024 Service bulletin

Certain 2021-2022 Model Year Mustang Mach E and 2022 Model Year E-Transit High Voltage Battery Module...

Ford technical service bulletin 23B12 for 2021-2022 Ford Mustang and 2022 Ford E-Transit.

Bulletin number
23B12
Component
Unknown or other
Summary
Certain 2021-2022 Model Year Mustang Mach E and 2022 Model Year E-Transit High Voltage Battery Module (HVBM) Replacement In all of the affected vehicles, a High Voltage Battery Module (HVBM) was previously replaced using an incorrect Thermal Interface Material (TIM) template. A HVBM that has been serviced using the incorrect TIM template may cause the cells to operate at a temperature higher than design intent, resulting in reduced cell performance and, over time, a progressive reduction in vehicle range that may become noticeable to the driver. This may also result in a malfunction indicator light, DTC code and battery power limiting.

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