DPB_a264 — Wdh Sw Bist Con Cnt
Full alert identifier: DPB_a264_WdhSwBistConCnt
Alert description
Dual Core SW-Bist comparison fault.
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
SW-BIST signatures of both cores are different. Signatures from SW-BIST routines will be calculated from Core 1 and Core 2 and compared if they are equal. Status of comparison is reported to watchdog handler by consumption counter interface.
Clear condition
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a264.