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DPB_a231 — Stack Over Under Flow

Full alert identifier: DPB_a231_stackOverUnderFlow

Alert description

Stack over- or underflow.

Potential 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.

Set condition

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.

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With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a231.

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