TESLA Unknown

DI-U009

DI_u009_regenOffOverride

Also written as DI_U009 / DI U009 / DI_u009_regenOffOverride / di_u009_regenoffoverride

System
DI
Drive Inverter
Type
Unknown
Category
Motor
Severity
Diagnostic / Info

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 DI-U009 mean?

Tesla unknown code in the Drive Inverter (DI) module. Regenerative braking (Regen) off is overridden.

Original Description

Regenerative braking (Regen) off is overridden.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • DI-U009 may appear with another Tesla alert in the Drive Inverter (DI) 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

DI-U009 is a diagnostic or informational code in the Drive Inverter system. Typically no immediate action is required.

Other DI Codes

DI_a001 DI_a002 Tesla alert code in the Drive Inverter (DI) module. Park but... DI_a010 DI_a012 DI_a013 DI_a015 DI_a016 DI_a017
View all DI codes →