DPB_a226 — U5 V Test Fault
Full alert identifier: DPB_a226_U5VTestFault
Alert description
U5V voltage comparator test failed.
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
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.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a226.