TESLA Warning

EFUSE-W129

EFUSE_w129_frunkBECEFuseTrip

Also written as EFUSE_W129 / EFUSE W129 / EFUSE_w129_frunkBECEFuseTrip / efuse_w129_frunkbecefusetrip

System
EFUSE
Electronic Fuse
Type
Warning
Category
Battery
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 EFUSE-W129 mean?

Tesla warning code in the Electronic Fuse (EFUSE) module. This alert should not occur since there are no frunk E-fuses in the E-fuse module. Instead, jumpers are used to pass through the module.

Original Description

This alert should not occur since there are no frunk E-fuses in the E-fuse module. Instead, jumpers are used to pass through the module.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Electronic Fuse alert: This alert should not occur since there are no frunk E-fuses in the E-fuse module. Instead, jumpers are used to pass thr
  • Related vehicle feature may be reduced or unavailable
  • Alert visible in the Tesla app: This alert should not occur since there are no frunk E-fuses in the E-fuse modul

How to Diagnose and Resolve

  1. 1 Reboot the vehicle by holding both scroll wheels for 10 seconds
  2. 2 Check for pending OTA software updates in Controls > Software
  3. 3 If the alert persists, schedule a Tesla Service appointment
  4. 4 Describe the alert code and any symptoms when booking service

Severity Notes

EFUSE-W129 is a Warning in the Electronic Fuse system. Schedule service soon. Monitor your vehicle for additional warnings.

Other EFUSE Codes

View all EFUSE codes →