Skip to content

DPB_a092 — Decouple Bit Test Fault

Full alert identifier: DPB_a092_decoupleBitTestFault

Alert description

Alert in system ASIC: Electric or hyraulic decouple bit not reset automatically.

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

System chip internal decouple bits are not reset within the expected time. The failsafe logic test sets the hydraulic and electric decouple bits of the system chip.

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_a092.

Browse all DPB alert codes