RCU family
RCU_a045_VCFRONTtempInvalid
Not Available
What does the RCU_a045_VCFRONTtempInvalid alert mean?
The Front Vehicle Controller (VCFRONT) ambient temperature signal has been received as invalid.
What you'll see in your Tesla
- Not Available
What triggers it
The RCU receives the VCFRONT_tempAmbient signal as Signal Not Available (SNA) for 10 seconds.
When it clears
The Redundant Control Unit (RCU) receives the VCFRONT_tempAmbient signal as valid for 10 seconds while the vehicle is parked.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.
Affected models
Model Y 2025+
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