ESP family
ESP_a001_ecuGenericFault
ABS (anti-lock braking system) disabled
What does the ESP_a001_ecuGenericFault alert mean?
Internal electronic fault detected on ECU.
What you'll see in your Tesla
- ABS (anti-lock braking system) disabled
- Drive with caution
What triggers it
The unit has detected an internal fault
When it clears
Escalate issue to confirm need for replacement
Potential impact
ABS/TC/VDC disabled
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.