TESLA Fault
DIS-F143
DIS_f143_mcuLimitActive
Also written as DIS_F143 / DIS F143 / DIS_f143_mcuLimitActive / dis_f143_mculimitactive
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 DIS-F143 mean?
Tesla fault code in the Drive Inverter Secondary (DIS) module. Drive Inverter Slave Fault: The Media Control Unit (MCU) power or torque limit is active.
Original Description
Drive Inverter Slave Fault: The Media Control Unit (MCU) power or torque limit is active.
Affected Tesla Models
Model SModel XCybertruck
What You May Notice
- secondary inverter critical fault: Drive Inverter Slave Fault: The Media Control Unit (MCU) power or torque limit is active.
- Vehicle enters reduced power or limp mode; acceleration severely limited
- Red warning on dashboard — vehicle may not allow driving
How to Diagnose and Resolve
- 1 Safely pull over and stop the vehicle
- 2 Attempt a full reboot: hold both scroll wheels until the Tesla logo appears
- 3 If power is not restored after reboot (fault: "Drive Inverter Slave Fault: The Media Control Unit"), call Tesla Roadside Assistance
- 4 The inverter or motor controller will require inspection at a Service Center
Severity Notes
DIS-F143 is classified as a Fault, indicating a critical issue in the Drive Inverter Secondary system. Do not continue driving and contact Tesla Service immediately.
Other DIS Codes
DIS_f001 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f002 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f003 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f004 DIS_f005 DIS_f006 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f010 Tesla fault code in the Drive Inverter Secondary (DIS) modul... DIS_f011 Tesla fault code in the Drive Inverter Secondary (DIS) modul...
View all DIS codes →