DPB_a239_microSafetyFault

micro controller safety logic has detected an alert.

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

micro controller safety logic has detected an alert.

Cause

micro controller safety logic detected an error (e.g. Flash/RAM ECC uncorrectable fault), If a micro controller alert is detected the ErrorPin is set by HW only reaction (no SW action) and an exception is issued.

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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