VCFRONT-A402
VCFRONT_a402_LVBatteryCannotSupportVehicle
What does VCFRONT-A402 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. Vehicle is expected to shut down if HV support is lost. info from manualVCFRONT_A402 12V battery is heavily degraded, disconnected, or reverse battery e-fuse is faulted. 12V battery is replaced, battery is re-connected, or reverse battery e-fuse fault clears. 12V battery is unable to support the vehicle and contactors will be permanently closed.
Original Description
Vehicle is expected to shut down if HV support is lost. info from manualVCFRONT_A402 12V battery is heavily degraded, disconnected, or reverse battery e-fuse is faulted. 12V battery is replaced, battery is re-connected, or reverse battery e-fuse fault clears. 12V battery is unable to support the vehicle and contactors will be permanently closed.
Severity Notes
VCFRONT-A402 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.