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DPB_a047 — P Plunger Plaus Check Failure

Full alert identifier: DPB_a047_pPlungerPlausCheckFailure

Alert description

Pressure sensor signal implausible high compared to motor load.

Potential impact

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

Set condition

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

Ignition off; wait 5 seconds; Ignition on

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With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a047.

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