TESLA Alert

DIF-A123

DIF_a123_lossMotorControl

Also written as DIF_A123 / DIF A123 / DIF_a123_lossMotorControl / dif_a123_lossmotorcontrol

System
DIF
Drive Inverter Front
Type
Alert
Category
Motor
Severity
Alert

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 DIF-A123 mean?

Tesla alert code in the Drive Inverter Front (DIF) module. Motors respond to DI commands

Original Description

Motors respond to DI commands

Affected Tesla Models

Model 3Model YModel SModel XCybertruck

What You May Notice

  • DIF-A123 may appear with another Tesla alert in the Drive Inverter Front (DIF) system.
  • The vehicle may limit charging, driving, comfort, or safety features depending on the active alerts.
  • The alert may clear after sleep, but recurring alerts should be treated as service-relevant.

How to Diagnose and Resolve

  1. 1 Reboot the vehicle (hold both scroll wheels)
  2. 2 Check for pending OTA software updates
  3. 3 Monitor for recurrence over the next few days; schedule service if needed

Severity Notes

DIF-A123 is an Alert in the Drive Inverter Front system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.

Other DIF Codes

DIF_a001 DIF_a002 DIF_a003 DIF_a004 DIF_a005 DIF_a006 DIF_a007 DIF_a008
View all DIF codes →