FC_w134
FC_w134_CA_vehTxBufOvf
What does FC_w134 mean?
Tesla warning code in the Fast Charging (FC) module. A vehicle RX buffer overflow has occurred, and the messages are not being delivered on the vehicle controller area network (CAN). This issue can be common on some models of Nissan CHAdeMO stations. This alert was formerly named FC_w134_CA_vehTxBufOvf_PT in firmware versions prior to 2017.12. If FC_w134_CA_vehTxBufOvf_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.
Original Description
A vehicle RX buffer overflow has occurred, and the messages are not being delivered on the vehicle controller area network (CAN). This issue can be common on some models of Nissan CHAdeMO stations. This alert was formerly named FC_w134_CA_vehTxBufOvf_PT in firmware versions prior to 2017.12. If FC_w134_CA_vehTxBufOvf_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.
Severity Notes
FC_w134 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.