RCU family
RCU_a043_VCFRONTiBoosterLvStateInvalid
Not Available
What does the RCU_a043_VCFRONTiBoosterLvStateInvalid alert mean?
The Front Vehicle Controller (VCFRONT) low voltage (LV) state signal has been received as invalid.
What you'll see in your Tesla
- Not Available
What triggers it
The RCU receives the VCFRONT_iBoosterLVState signal as LV_FAULT for 500 milliseconds.
When it clears
The Redundant Control Unit (RCU) receives the VCFRONT_iBoosterLVState signal as valid for 500 milliseconds 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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