VCFRONT-A370
VCFRONT_a370_noLVSupportSocTooLow
What does VCFRONT-A370 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. There isn't enough energy in the high voltage battery to support the low voltage battery. The 12V battery state machine has determined that the 12V battery needs to be recharged, but the high voltage BMS reports that there isn't enough energy in the high voltage battery to support. Enough energy in the high voltage battery. The 12V battery may be damaged if the vehicle isn't charged soon. The 12V battery could completely discharge and the vehicle will need to be jumped. The iBooster eFuse was retried because it false tripped due to inrush. On transition into the ACCESSORY vehicle state if the eFuse tripped within 1 second of the enable line going high. Delay in having power brakes available to the user. The battery is being overcharged more than 5 amphours after multiple consecutive charge cycles. Battery has recharged more than 5Ah above what was discharged multiple times. Battery is no longer overcharging 5Ah above what it was discharged. The 12V Battery may be going into thermal runaway, it should be replaced.
Original Description
There isn't enough energy in the high voltage battery to support the low voltage battery. The 12V battery state machine has determined that the 12V battery needs to be recharged, but the high voltage BMS reports that there isn't enough energy in the high voltage battery to support. Enough energy in the high voltage battery. The 12V battery may be damaged if the vehicle isn't charged soon. The 12V battery could completely discharge and the vehicle will need to be jumped. The iBooster eFuse was retried because it false tripped due to inrush. On transition into the ACCESSORY vehicle state if the eFuse tripped within 1 second of the enable line going high. Delay in having power brakes available to the user. The battery is being overcharged more than 5 amphours after multiple consecutive charge cycles. Battery has recharged more than 5Ah above what was discharged multiple times. Battery is no longer overcharging 5Ah above what it was discharged. The 12V Battery may be going into thermal runaway, it should be replaced.
Severity Notes
VCFRONT-A370 is an Alert in the Vehicle Controller Front system. It is generally safe to continue driving, but have it checked at your next scheduled service.