DPB_a231_stackOverUnderFlow

Stack over- or underflow.

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

Stack over- or underflow.

Cause

The stack is too small for the application, Overflow: The stack is too small for the application. Underflow: Can only occur in case of SW or compiler faults.

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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