MyTeslaMate
PCS2 family

PCS2_a157_VC_pcsManagementMia

Not Available

What does the PCS2_a157_VC_pcsManagementMia alert mean?

The Power Conversion System (PCS) does not receive one or more DCDC interface Controller Area Network (CAN) messages from the Vehicle Controller (VC)

What you'll see in your Tesla

  • Not Available

What triggers it

The PCS does not receive all expected DCDC interface CAN messages from the VC

When it clears

The PCS receives all expected DCDC interface CAN messages from the VC

Potential impact

DCDC may not be able to regulate the LV bus voltage requested by the Vehicle Controller (VC)

Affected models

Cybertruck Model 3 2017-2023 Model 3 2024+ 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.