DPB_a029_motorTestFault

A condition affecting the brake motor control is detected when tested.

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

A condition affecting the brake motor control is detected when tested.

Cause

During a motor test activated at start up or when the brake is not applied, an electrical, phase current sensing, or motor issue is detected.

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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