TESLA Fault

DI_f126

DI_f126_limpMode

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

What does DI_f126 mean?

Tesla fault code in the Drive Inverter (DI) module. The motor controller shall assert this condition whenever any of the following alerts are present:Phase Current ImbalanceBus Voltage Sensor IrrationalNo Functional Stator Temperature SensorsNo Functional Isolated Gate Bipolar Transistor (IGBT) Heatsink Temperature SensorsNo Fluid in IGBT Heatsink12V Supply UndervoltageBattery Management System (BMS) is missing (MIA)Low Fluid Flow This condition will also occur whenever any of the temperatures listed below exceed their Limp thresholds for the specified time:Outlet fluid (2 seconds)Internal ambient (2 seconds)

Original Description

The motor controller shall assert this condition whenever any of the following alerts are present:Phase Current ImbalanceBus Voltage Sensor IrrationalNo Functional Stator Temperature SensorsNo Functional Isolated Gate Bipolar Transistor (IGBT) Heatsink Temperature SensorsNo Fluid in IGBT Heatsink12V Supply UndervoltageBattery Management System (BMS) is missing (MIA)Low Fluid Flow This condition will also occur whenever any of the temperatures listed below exceed their Limp thresholds for the specified time:Outlet fluid (2 seconds)Internal ambient (2 seconds)

Severity Notes

DI_f126 is classified as a Fault, indicating a critical issue in the Drive Inverter system. Do not continue driving and contact Tesla Service immediately.

Other DI Codes

View all DI codes →

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.