TESLA Warning

FC-W160

FC_w160_CA_ss2Deasserted

Also written as FC_W160 / FC W160 / FC_w160_CA_ss2Deasserted / fc_w160_ca_ss2deasserted

System
FC
Fast Charging
Type
Warning
Category
Charging
Severity
Warning

Why does the exact Tesla alert ID matter?

Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.

What does FC-W160 mean?

Tesla warning code in the Fast Charging (FC) module. This alert was formerly named FC_w160_CA_ss2Deasserted_PT in firmware versions prior to 2017.12. If FC_w160_CA_ss2Deasserted_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_w160_CA_ss2Deasserted_PT in firmware versions prior to 2017.12. If FC_w160_CA_ss2Deasserted_PT appears on the vehicle or in the logs, update the vehicle firmware to the current version.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Fast Charging alert: This alert was formerly named FC_w160_CA_ss2Deasserted_PT in firmware versions prior to 2017.12. If FC_w160_CA_ss2Deasse
  • Charging speed capped significantly below rated maximum
  • Alert shown on the touchscreen when connecting to Supercharger

How to Diagnose and Resolve

  1. 1 Try a different Supercharger stall to rule out stall-specific issues
  2. 2 Reboot the vehicle and attempt to reconnect
  3. 3 Precondition the battery by navigating to a Supercharger in the Tesla app
  4. 4 Schedule a service appointment if the issue affects multiple chargers

Severity Notes

FC-W160 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 →