DI-U014
DI_u014_notOkToStartDrive
Also written as DI_U014 / DI U014 / DI_u014_notOkToStartDrive / di_u014_notoktostartdrive
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-U014 mean?
Tesla unknown code in the Drive Inverter (DI) module. The Drive Inverter has detected that the 12V battery is not being adequately supported by the vehicle, which means the vehicle might lose 12V power while being driven. To set this condition, one of the following must occur: The Intelligent Battery Sensor (IBS) current is < 0A.The IBS voltage is < 12.9V. The GTW_12VState signal is in one of the following: DCDC_NOT_ENABLING12V_NOT_SUPPORTEDBMS_MIAFAULT_WAKEDCDC_RETRY
Original Description
The Drive Inverter has detected that the 12V battery is not being adequately supported by the vehicle, which means the vehicle might lose 12V power while being driven. To set this condition, one of the following must occur: The Intelligent Battery Sensor (IBS) current is < 0A.The IBS voltage is < 12.9V. The GTW_12VState signal is in one of the following: DCDC_NOT_ENABLING12V_NOT_SUPPORTEDBMS_MIAFAULT_WAKEDCDC_RETRY
Affected Tesla Models
What You May Notice
- DI-U014 may appear with another Tesla alert in the Drive Inverter (DI) system.
- The vehicle may limit charging, driving, comfort, or safety features depending on the active alerts.
- The alert may clear after sleep, but recurring alerts should be treated as service-relevant.
How to Diagnose and Resolve
- 1 Reboot the vehicle (hold both scroll wheels)
- 2 Check for pending OTA software updates
- 3 Monitor for recurrence over the next few days; schedule service if needed
Severity Notes
DI-U014 is a diagnostic or informational code in the Drive Inverter system. Typically no immediate action is required.