DPB_a020_ecuHuMismatch

There is a Decoupled Power Brake (DPB) ECU mismatch.

 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

There is a Decoupled Power Brake (DPB) ECU mismatch.

Cause

Wrong ECU Exchange. Mismatch Linear Position Sensor IDs in NvM with Linear Position Sensor IDs from sensor.

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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