DPB_a122 — Mic Asic Clk In Error
Full alert identifier: DPB_a122_micAsicClkInError
Alert description
System ASIC CLKIN alert is detected.
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 ASIC CLKIN input signal is outside of the specified frequency range, uC is monitoring SPI register bit CLKIN_fail_SPI every specified time and the alert is confirmed when this alert bit is set for longer than specified time.
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_a122.