12-Volt Battery Becomes Discharged While The Vehicle Is Plugged In During The High Voltage Charging Process – 2021 Ford Mustang Mach-E
NHTSA ID Number: 10189793 Manufacturer Communication Number: TSB 21-2091 Summary Some 2021 Mustang Mach-E vehicles may exhibit the 12-volt battery becoming discharged while the vehicle is plugged in during the high voltage charging process. This may be due to the parameters in the powertrain control module (PCM). To correct the condition, follow the Service Procedure to reprogram … Read more
