Some 2021-2022 Mustang Mach-E vehicles built on or before 17-Mar-2023 may exhibit an illuminated...

Bulletin number

TSB 23-2257

Component

Electrical system: propulsion system: traction battery: management system/energy control module (bms/becm)

Summary

Some 2021-2022 Mustang Mach-E vehicles built on or before 17-Mar-2023 may exhibit an illuminated malfunction indicator lamp (MIL) and/or powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTCs) P0563, P0ADA, P0ADE, P0AA1, P0AA4, P0AA5, P0AA2, P0D10, P0D0F, and/or P0C78 stored in battery energy control module (BECM). It may also have a low/discharged 12V battery and/or display a Stop Safely Now message in the instrument panel cluster (IPC). This may be due to the high voltage battery junction box (HVBJB). To correct the condition, follow the Service Procedure to replace the HVBJB and reprogram the BECM.

Owners of these vehicles have filed 287 complaints in the electrical category.