TESLA Fault

DI_f021

DI_f021_hwBusOV

System
DI
Drive Inverter
Type
Fault
Category
Motor
Severity
Fault (Critical)

What does DI_f021 mean?

Tesla fault code in the Drive Inverter (DI) module. An over voltage condition on the high voltage (HV) system was detected.

Original Description

An over voltage condition on the high voltage (HV) system was detected.

Severity Notes

DI_f021 is classified as a Fault, indicating a critical issue in the Drive Inverter system. Do not continue driving and contact Tesla Service immediately.

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Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.