TESLA Warning

FC_w149

FC_w149_CA_pcb_UT

System
FC
Fast Charging
Type
Warning
Category
Charging
Severity
Warning

What does FC_w149 mean?

Tesla warning code in the Fast Charging (FC) module. There is a CHAdeMO adapter malfunction. This alert was formerly named FC_w149_CA_pcb_UT_PT in firmware versions prior to 2017.12. If FC_w149_CA_pcb_UT_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.

Original Description

There is a CHAdeMO adapter malfunction. This alert was formerly named FC_w149_CA_pcb_UT_PT in firmware versions prior to 2017.12. If FC_w149_CA_pcb_UT_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.

Severity Notes

FC_w149 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.