MyTeslaMate
APS family

APS_w158_apbMia

Not Available

What does the APS_w158_apbMia alert mean?

Autopilot Processor Secondary (APS) has not received one or more messages from the Autopilot Processor Backup (APB), making Autopilot (AP) features unavailable.

What you'll see in your Tesla

  • Not Available

What triggers it

APS does not receive one or more messages from the APB.

When it clears

APS starts receiving all messages from APB at the expected rate.

Potential impact

AP features will be unavailable.

Affected models

Cybertruck Model 3 2017-2023 Model 3 2024+ Model S 2012-2020 Model S 2021+ Model X 2015-2020 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.