DI-W138
DI_w138_frontUnitDisabled
Also written as DI_W138 / DI W138 / DI_w138_frontUnitDisabled / di_w138_frontunitdisabled
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-W138 mean?
Tesla warning code in the Drive Inverter (DI) module. The front / small Drive Unit has been disabled. If this alert is present, the Power Management System (PMS) may have detected front motor current when there should be none. If the PMS sees current while in Park or Standby mode, the alert PMS_f005_torqueInNeutral will also appear.
Original Description
The front / small Drive Unit has been disabled. If this alert is present, the Power Management System (PMS) may have detected front motor current when there should be none. If the PMS sees current while in Park or Standby mode, the alert PMS_f005_torqueInNeutral will also appear.
Affected Tesla Models
What You May Notice
- drive inverter warning: The front / small Drive Unit has been disabled. If this alert is present, the Power Management System (PMS) may have det
- Reduced acceleration or "Reduced Power" message on the touchscreen
- Higher than normal energy consumption during driving
How to Diagnose and Resolve
- 1 Reboot the vehicle by holding both scroll wheels
- 2 Avoid aggressive acceleration until the alert clears
- 3 Schedule a Tesla Service appointment within the next few days
- 4 Check for available OTA updates in Controls > Software
Severity Notes
DI-W138 is a Warning in the Drive Inverter system. Schedule service soon. Monitor your vehicle for additional warnings.