FC_w136
FC_w136_CA_evseTxBufOvf
What does FC_w136 mean?
Tesla warning code in the Fast Charging (FC) module. A Electric Vehicle Supply Equipment (EVSE) TX buffer overflow has occurred, and the messages are not being delivered on the EVSE controller area network (CAN).? This alert was formerly named FC_w136_CA_evseTxBufOvf_PT in firmware versions prior to 2017.12. If FC_w136_CA_evseTxBufOvf_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.
Original Description
A Electric Vehicle Supply Equipment (EVSE) TX buffer overflow has occurred, and the messages are not being delivered on the EVSE controller area network (CAN).? This alert was formerly named FC_w136_CA_evseTxBufOvf_PT in firmware versions prior to 2017.12. If FC_w136_CA_evseTxBufOvf_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.
Severity Notes
FC_w136 is a Warning in the Fast Charging system. Schedule service soon. Monitor your vehicle for additional warnings.
Other FC Codes
View all FC codes →Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.