DPB_a264_WdhSwBistConCnt
Description
Dual Core SW-Bist comparison fault.
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.
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.
Customer Facing Message 1
Power braking assist reduced
Customer Facing Message 2
Braking may require increased effort
Audiences
customer;service-fix
Models
Model Y 2025+