Nissan LEAF 2023 Owners Manual
9.12.3. System malfunction
When the I-BSI system malfunctions, it will be turned off automatically, a chime will sound, and the [Not available System Malfunction] warning message with the BSW indicator (orange) will appear in the vehicle information display.
Action to take:
Stop the vehicle in a safe location, place the vehicle in the P (Park) position, turn the EV system off and restart the EV system. If the [Not available System Malfunction] warning message with the BSW indicator (orange) continues to be displayed, have the I-BSI system checked. It is recommended you visit a NISSAN certified LEAF dealer for this service.
Owners Manual