First CAN bus is detected as OFF.
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
System will be running with internal degraded pedal map. Braking may require increased effort.
First CAN bus is detected as OFF.
Short circuit between CAN + and CAN- or short circuit between CAN + and Ubatt or heavy bus disturbance. The bus-off recovery state machine of the CAN network has detected a certain amount of sequential bus-offs without successful recovery.
No issue is detected in current operation cycle.
Model Y 2025+
customer, service-fix
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