DI-F172
DI_f172_highLashAngleWarn
Also written as DI_F172 / DI F172 / DI_f172_highLashAngleWarn / di_f172_highlashanglewarn
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-F172 mean?
Tesla fault code in the Drive Inverter (DI) module. This alert was formerly named DI_f172_unused172 in firmware versions prior to 2020.16. If DI_f172_unused172 appears on the vehicle or in the logs, update the vehicle firmware to the current version.
Original Description
This alert was formerly named DI_f172_unused172 in firmware versions prior to 2020.16. If DI_f172_unused172 appears on the vehicle or in the logs, update the vehicle firmware to the current version.
Affected Tesla Models
What You May Notice
- drive inverter critical fault: This alert was formerly named DI_f172_unused172 in firmware versions prior to 2020.16. If DI_f172_unused172 appears on t
- 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: "This alert was formerly named DI_f172_unused172 in"), call Tesla Roadside Assistance
- 4 The inverter or motor controller will require inspection at a Service Center
Severity Notes
DI-F172 is classified as a Fault, indicating a critical issue in the Drive Inverter system. Do not continue driving and contact Tesla Service immediately.