ESP_a172_IBSTparty1Timeout
Not Available
What does the ESP_a172_IBSTparty1Timeout alert mean?
The Electronic Stability Program (ESP) electronic control unit (ECU) is not receiving messages from the iBooster (IBST) ECU on the Party controller area network (CAN) bus within the expected time frame.
What you'll see in your Tesla
- Not Available
What triggers it
The ESP ECU does not receive messages from the IBST ECU on the Party CAN bus within the expected time frame.
When it clears
The ESP ECU begins receiving messages from the IBST ECU on the Party CAN bus within the expected time frame.
Potential impact
Brake boost functionality may be limited or unavailable.
Affected models
Track your Tesla's alerts automatically
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.