VCFRONT_a528_LVBatteryCommsDiscnctd
Description
The low voltage (LV) battery is not communicating as expected, indicating a potential disconnection with the vehicle controller.
Condition
Electronic connector position assurance (ECPA) state is signal not available (SNA), or the intelligent battery sensor (IBS) is not functioning as expected and the low voltage battery management system (LVBMS) is not communicating (MIA).
Clear Condition
LV battery communication with vehicle controller is restored.
Potential Impact
Loss of low voltage (LV) battery communication with vehicle controller, so the vehicle electrical system may only be supported via the power conversion system (PCS).
Customer Facing Message 1
Low voltage battery disconnected
Customer Facing Message 2
Reconnect low voltage battery or schedule service
Audiences
customer;service-fix
Models
Model 3 2017-2023;Model 3 2024+;Model Y;Model Y 2025+