DPB_a032_HWParamWriteFailed

The Decoupled Power Brake (DPB) parameters in Non-Volatile Memory (NVM) cannot be written.

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

The Decoupled Power Brake (DPB) parameters in Non-Volatile Memory (NVM) cannot be written.

Cause

Linear Position Sensor IDs NvM write request failed. Alert during write process of NvM Items at ECU Exchange routine.

Clear condition

No issue is detected in current operation cycle.

Models

Model Y 2025+

Visibility

customer, service-fix

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