What system does FC-W146 belong to?

FC-W146 belongs to the Fast Charging (FC) system in Tesla vehicles. It is classified as a "warning" type alert in the "charging" category.

TESLA Warning

FC-W146

FC_w146_CA_flybackBusLoadHi

System

Fast Charging

Type

Warning

What does FC-W146 mean?

Tesla warning code in the Fast Charging (FC) module. This alert was formerly named FC_w146_CA_flybackBusLoadHi_PT in firmware versions prior to 2017.12. If FC_w146_CA_flybackBusLoadHi_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.

Original Description

This alert was formerly named FC_w146_CA_flybackBusLoadHi_PT in firmware versions prior to 2017.12. If FC_w146_CA_flybackBusLoadHi_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.

Severity Notes

FC-W146 is a Warning in the Fast Charging system. Schedule service soon. Monitor your vehicle for additional warnings.

Other FC Codes

FC_a001 FC_a002 FC_a065 FC_a129 FC_a130 FC_a131 FC_a132 FC_a133

View all FC codes →