DPB_a243_microSupplyError

Voltage monitor of micro controller has detected an alert of the micro controller supply voltage.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Power braking assist reduced
Braking may require increased effort

Impact

System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.

Description

Voltage monitor of micro controller has detected an alert of the micro controller supply voltage.

Cause

Core voltage is out of range. In case the core voltage is out of range (over/under-voltage), the Core Voltage Monitor issues a reset. Once the core voltage is in range again, a alert will be reported.

Clear condition

No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.

Models

Model Y 2025+

Visibility

customer, service-fix

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