ESP family
ESP_a015_12VSupplyOvervoltage
Not Available
What does the ESP_a015_12VSupplyOvervoltage alert mean?
ESP/ABS unit voltage is high.
What you'll see in your Tesla
- Not Available
What triggers it
Voltage at ESP supply pins exceeds specification
When it clears
Verify voltage at ESP supply pins
Potential impact
May disable VDC/TC and degrade ABS
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.