MyTeslaMate
ESP family

ESP_a171_axImplausible

Not Available

What does the ESP_a171_axImplausible alert mean?

Longitudinal Acceleration Sensor: Plausibility against second signal failed

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.