DPB_a003_AswEEPROMReadFailure

Braking hardware parameter(s) can not be read from Decoupled Power Brake (DPB) ECU EEPROM.

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

Braking hardware parameter(s) can not be read from Decoupled Power Brake (DPB) ECU EEPROM.

Cause

DPB ECU EEPROM could not be read successfully. It may be empty or corrupted.

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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