TESLA Warning

FC-W138

FC_w138_CA_hwProxTrip

Also written as FC_W138 / FC W138 / FC_w138_CA_hwProxTrip / fc_w138_ca_hwproxtrip

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-W138 mean?

Tesla warning code in the Fast Charging (FC) module. The CHADEMO adapter malfunctioned.

Original Description

The CHADEMO adapter malfunctioned.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Fast Charging alert: The CHADEMO adapter malfunctioned.
  • 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-W138 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 →