DI-F124
DI_f124_cruiseFault
Also written as DI_F124 / DI F124 / DI_f124_cruiseFault / di_f124_cruisefault
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-F124 mean?
Tesla fault code in the Drive Inverter (DI) module. The Drive Unit has detected a cruise control fault. This alert is triggered when there is an issue with the Controller Area Network (CAN) bus communication and the components related to cruise control.
Original Description
The Drive Unit has detected a cruise control fault. This alert is triggered when there is an issue with the Controller Area Network (CAN) bus communication and the components related to cruise control.
Affected Tesla Models
What You May Notice
- drive inverter critical fault: The Drive Unit has detected a cruise control fault. This alert is triggered when there is an issue with the Controller A
- 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: "The Drive Unit has detected a cruise control fault"), call Tesla Roadside Assistance
- 4 The inverter or motor controller will require inspection at a Service Center
Severity Notes
DI-F124 is classified as a Fault, indicating a critical issue in the Drive Inverter system. Do not continue driving and contact Tesla Service immediately.