DPB_a047_pPlungerPlausCheckFailure
DPB_a047_pPlungerPlausCheckFailure
Alert Information
Category
Other
Severity
critical
Live Incidence Rate
<0.01%
Models
Model Y
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
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.