FC-W129
FC_w129_CA_flyback_HW_OC
What does FC-W129 mean?
Tesla warning code in the Fast Charging (FC) module. This warning indicates a CHADEMO station malfunction (electrically noisy station, old hardware, blocked cooling fans, etc). This alert was formerly named FC_w129_CA_flyback_HW_OC_PT in firmware versions prior to 2017.12. If FC_w129_CA_flyback_HW_OC_PTappears on the vehicle or in the logs, update the vehicle firmware to the current version.
Original Description
This warning indicates a CHADEMO station malfunction (electrically noisy station, old hardware, blocked cooling fans, etc). This alert was formerly named FC_w129_CA_flyback_HW_OC_PT in firmware versions prior to 2017.12. If FC_w129_CA_flyback_HW_OC_PTappears on the vehicle or in the logs, update the vehicle firmware to the current version.
Severity Notes
FC-W129 is a Warning in the Fast Charging system. Schedule service soon. Monitor your vehicle for additional warnings.