DPB_a047_pPlungerPlausCheckFailure

Pressure sensor signal implausible high compared to motor load.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Power braking assist reduced
Braking may require increased effort

Impact

System will request Hydraulic Boost Compensation when driver pressed the brake pedal.

Description

Pressure sensor signal implausible high compared to motor load.

Cause

Pressure sensor of active circuit shows an implausible too high pressure. Calculation of the expected pressure based on motor torque, angular acceleration and best-case gear efficiency and comparison with the pressure sensor signal.

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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