DIF-A115
DIF_a115_heatsinkTempImbalance
Also written as DIF_A115 / DIF A115 / DIF_a115_heatsinkTempImbalance / dif_a115_heatsinktempimbalance
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 DIF-A115 mean?
Tesla alert code in the Drive Inverter Front (DIF) module. Drive Inverter Warning: heatsink temp imbalance Drive Inverter Warning: Phase C gate driver Fault occurred at phase C gate drive. See payload signal for reason of trigger.
Original Description
Drive Inverter Warning: heatsink temp imbalance Drive Inverter Warning: Phase C gate driver Fault occurred at phase C gate drive. See payload signal for reason of trigger.
Affected Tesla Models
What You May Notice
- DIF-A115 may appear with another Tesla alert in the Drive Inverter Front (DIF) 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
DIF-A115 is an Alert in the Drive Inverter Front system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.