Brake Booster (BB) brake fluid level signal BB_brakeFluidLevel is received as Signal Not Available (SNA).
<0.01% (Extremely rare)
None displayed
There may be an issue with the transmitting Electronic Control Unit (ECU).
Brake Booster (BB) brake fluid level signal BB_brakeFluidLevel is received as Signal Not Available (SNA).
The BB_brakeFluidLevel CAN signal is received by the Redundant Control Unit (RCU) as SNA for 5 seconds.
The BB_brakeFluidLevel Controller Area Network (CAN) signal is received as valid for 5 seconds.
Model Y 2025+
service-fix
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