ESP family
ESP_a155_ayMaxLatency
Not Available
What does the ESP_a155_ayMaxLatency alert mean?
Invalid Data Received From Air Bag Control Module : Invalid Ay Signal Status
What you'll see in your Tesla
- Not Available
What triggers it
Inertial signal failed plausibility/integrity checks
When it clears
Inertial messages are present/valid on the bus. Review RCM/DI alerts for other indicators of failure
Potential impact
May fault VDC/TC, ABS performance degradation
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.