The voltage supplied to the Decoupled Power Brake (DPB) ECU is below the undervoltage shutdown threshold. Brake system performance is reduced.
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
The voltage supplied to the Decoupled Power Brake (DPB) ECU is below the undervoltage shutdown threshold. Brake system performance is reduced.
The voltage supplied to the DPB ECU is less than the undervoltage shutdown threshold.
No issue is detected in current operation cycle. Voltage supplied rises above the undervoltage threshold.
Model Y 2025+
customer, service-fix
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