DPB_a123_micAsicInitTestError

ASIC Init test failed during init task.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Power braking assist reduced
Braking may require increased effort

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.

Description

ASIC Init test failed during init task.

Cause

Defect in the System ASIC, the alert detection function in the ASIC doen't work. uC sends some alert test frames (address error, parity error, clock error) and evaluate the responses. The tests pass if the ASIC could detect the alert and set corresponding alert flags.

Clear condition

No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.

Models

Model Y 2025+

Visibility

customer, service-fix

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