TESLA Warning

DIS-W028

DIS_w028_phaseArms

Also written as DIS_W028 / DIS W028 / DIS_w028_phaseArms / dis_w028_phasearms

System
DIS
Drive Inverter Secondary
Type
Warning
Category
Motor
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 DIS-W028 mean?

Tesla warning code in the Drive Inverter Secondary (DIS) module. Drive Inverter Slave Warning: There is a Phase Brms over-current condition.

Original Description

Drive Inverter Slave Warning: There is a Phase Brms over-current condition.

Affected Tesla Models

Model SModel XCybertruck

What You May Notice

  • secondary inverter warning: Drive Inverter Slave Warning: There is a Phase Brms over-current condition.
  • Reduced acceleration or "Reduced Power" message on the touchscreen
  • Higher than normal energy consumption during driving

How to Diagnose and Resolve

  1. 1 Reboot the vehicle by holding both scroll wheels
  2. 2 Avoid aggressive acceleration until the alert clears
  3. 3 Schedule a Tesla Service appointment within the next few days
  4. 4 Check for available OTA updates in Controls > Software

Severity Notes

DIS-W028 is a Warning in the Drive Inverter Secondary system. Schedule service soon. Monitor your vehicle for additional warnings.

Other DIS Codes

View all DIS codes →