TESLA Warning

DIS-W077

DIS_w077_12vSupplyUV

Also written as DIS_W077 / DIS W077 / DIS_w077_12vSupplyUV / dis_w077_12vsupplyuv

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-W077 mean?

Tesla warning code in the Drive Inverter Secondary (DIS) module. Drive Inverter Slave Warning: A 12V supply under-voltage condition is detected in the software.

Original Description

Drive Inverter Slave Warning: A 12V supply under-voltage condition is detected in the software.

Affected Tesla Models

Model SModel XCybertruck

What You May Notice

  • secondary inverter warning: Drive Inverter Slave Warning: A 12V supply under-voltage condition is detected in the software.
  • 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-W077 is a Warning in the Drive Inverter Secondary system. Schedule service soon. Monitor your vehicle for additional warnings.

Other DIS Codes

DIS_f001 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f002 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f003 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f004 DIS_f005 DIS_f006 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f010 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f011 Tesla fault code in the Drive Inverter Secondary (DIS) modul...
View all DIS codes →