ESP family
ESP_a004_inletValvesFault
ABS (anti-lock braking system) disabled
What does the ESP_a004_inletValvesFault alert mean?
Internal electronic fault detected on inlet valves.
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 oin the inlet valves
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+
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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.