DPB_a108 — GTM Ref Frequency Error
Full alert identifier: DPB_a108_GTMRefFrequencyError
Alert description
GTM reference frequency error.
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
GTM peripheral of micro controller is not right or reference clock from system ASIC (D_REF) is faulty or there is any fault in signal path from ASIC to micro controller. A 4kHz reference frequency signal from system ASIC is cyclically checked via GTM to be in correct range.
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_a108.