IDB family
IDB_a124_VCFRONTtempInvalid
Not Available
What does the IDB_a124_VCFRONTtempInvalid alert mean?
Invalid Vehicle Controller Front (VCFRONT) tempAmbient signal is received.
What you'll see in your Tesla
- Not Available
What triggers it
The Integrated Dynamic Brake (IDB) receives the VCFRONT_tempAmbient CAN signal as Signal Not Available (SNA) for longer than 5 seconds, or the VCFRONT_sensors CAN message has a checksum, counter, or message length error.
When it clears
VCFRONT_tempAmbient Controller Area Network (CAN) signal is received as valid for 5 seconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU).
Affected models
Model Y 2025+
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