Pressure in plunger circuit is too high.
<0.01% (Extremely rare)
Power braking assist reduced
Braking may require increased effort
System will request Hydraulic Boost Compensation when driver pressed the brake pedal.
Pressure in plunger circuit is too high.
A too high pressure occurs, if the actual pressure is much higher than the target pressure.
No internal issue is detected after changing operation cycle. If the condition persists, the DPB module may require replacement.
Model Y 2025+
customer, service-fix
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