Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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The phone key has been disconnected from the vehicle.
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The phone key has been unexpectedly disconnected from the vehicle. This could be due to a user action involving their phone. For example: The user deactivates Bluetooth on their phone while using the Tesla mobile app, closes the Tesla mobile app while in use, or deletes their paired phone from the vehicle while in use.
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Vehicle may not activate Walk-Away door lock feature.
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Front left tire may be slightly underinflated or leaking.
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Front left sensor reports pressure under region specific percentage of recommended cold pressure (RCP)
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TPMS telltale and poor vehicle performance
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Rear right tire may be slightly underinflated or leaking.
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Rear right sensor reports pressure under region specific percentage of recommended cold pressure (RCP)
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TPMS telltale and poor vehicle performance
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Front left tire may be flat.
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Front left sensor reports pressure under 25psi
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TPMS telltale and poor vehicle performance
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Rear left tire may be flat.
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Rear left sensor reports pressure under 25psi
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TPMS telltale and poor vehicle performance
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Rear right tire may be flat.
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Rear right sensor reports pressure under 25psi
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TPMS telltale and poor vehicle performance
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One or more sensors, or the security controller may be missing or damaged.
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Vehicle has spent more than 10 minutes while driving with less than 4 sensors connected
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TPMS system is not functional
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This VCSEC has no customer-usable keys paired to it.
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VCSEC has no customer-usable keys paired to it
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Car will not be secure; customer will not be able to drive
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Warns if the processor has experienced a reset due to power loss.
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Sudden power loss.
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Controller is MIA for some time.
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Connection sniffer endpoints are not reporting connection signal strength.
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Center endpoint has valid RSSI values but sniffer does not
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Reduced passive entry performance
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Door handle pulled without an authenticated device.
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Door handle pulled without auth
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May indicate passive entry failure
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A previously paired sensor identification was removed either automatically or part of diagnostic routine.
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A sensor status changes to the unpaired state
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Some pressure reading will not be available
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The Tire Pressure Monitoring System (TPMS) pairing process was started but not completed. TPMS will not be fully configured.
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Fewer than 4 sensors have paired.
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Tire Pressure Monitoring System (TPMS) will not be fully configured.
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Low battery detected on key device.
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If reported key voltage is below a temperature dependent threshold
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Key will stop functioning soon
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One or more sensors have indicated a low battery.
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One or more battery voltages are below 2.5v
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None
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Security Vehicle Controller (VCSEC) is using the factory key (unfused) rather than a production key (fused).
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This alert is set on first boot when the VCSEC is unfused.
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ODIN key pairing or remote commands may not work until the VCSEC is fused.
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The vehicle controller detects the supply voltage from 1 or more components is outside of the expected range.
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The vehicle controller detects the supply voltage from 1 or more components is < 7.31. Alert log signal data should provide more information on the specific condition(s) detected.
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Features depending on the vehicle controller functionality may be unavailable or may not function as expected.
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One or more of the expected messages the electronic control unit (ECU) receives periodically from the high voltage processor (HVP) ECU is not received, indicating the HVP may be unavailable (MIA).
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One or more of the expected messages from the HVP ECU is not received.
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Vehicle may be unable to drive. Charging may be limited or unavailable.
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Center Bluetooth Low Energy (BLE) chip was not able to talk to Near Field Communication (NFC) chip.
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Center BLE chip was not able to talk to NFC chip.
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Key cards will not work.
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B Pillar Bluetooth Low Energy (BLE) chip was not able to talk to Near Field Communication (NFC) chip.
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B Pillar BLE chip was not able to talk to NFC chip.
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Key cards will not work.
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