DPB_a226_U5VTestFault
Description
U5V voltage comparator test failed.
Condition
Defect of ASIC, Test starts and evalutes the ASIC internal test of the U5V voltage regulator.
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+