IDB family
IDB_a115_VCFRONTespLvStInvalid
Not Available
What does the IDB_a115_VCFRONTespLvStInvalid alert mean?
Invalid Front Vehicle Controller (VCFRONT) ESP Low Voltage (LV) state is received.
What you'll see in your Tesla
- Not Available
What triggers it
The Integrated Dynamic brake (IDB) receives the VCFRONT_espLVState Controller Area Network (CAN) signal as LV_FAULT for longer than 500 milliseconds, or the VCFRONT_LVPowerState CAN message has a checksum, counter, or message length error.
When it clears
VCFRONT_espLVState is received as valid for 500 milliseconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU).
Affected models
Model Y 2025+
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.