FC_w137_CA_evseRxBufOvf
Not Available
What does the FC_w137_CA_evseRxBufOvf alert mean?
The Fast Charge (FC) Electronic Control Unit (ECU) has experienced a bus heavy condition. Messages sent by the Electric Vehicle Supply Equipment (EVSE) stay in queue or overflow, interrupting communication with the charging session.
What you'll see in your Tesla
- Not Available
What triggers it
FC ECU detects a full or overflowing queue when attempting to receive messages from EVSE.
When it clears
FC ECU no longer detects a full or overflowing queue when receiving messages from EVSE. Enough space is allocated to send messages.
Potential impact
Charging session may not start or may become interrupted.
Affected models
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.