VCTPMS family
VCTPMS_a089_IBST_MIA
Not Available
What does the VCTPMS_a089_IBST_MIA alert mean?
One or more of the expected CAN messages from iBooster were not received.
What you'll see in your Tesla
- Not Available
What triggers it
A message the local ECU expects to receive from the iBooster ECU has not been received within the expected timeout or the drop rate is too high while the iBooster is CAN active.
When it clears
All messages the local ECU expects to receive from the iBooster ECU are being received or the iBooster ECU is CAN inactive.
Potential impact
Brake boost functionality may be missing.
Affected models
Semitruck
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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.