VCLEFT_a207: Electrical system power reduced - Vehicle shutting down

Symptoms

["If this alert is present while you are driving, your vehicle needs to come to a stop immediately. It is recommended that you: Pull over safely immediately; Use your Mobile App to contact Tesla Roadside Assistance immediately, or seek other roadside assistance if preferred.", "If this alert remains present, it is recommended that you schedule service immediately. Without service, your vehicle may not drive, may shut down unexpectedly, or may not restart."]