DPB family
DPB_a001_pPlungerSensorOffsetHigh
Power braking assist reduced
What does the DPB_a001_pPlungerSensorOffsetHigh alert mean?
Offset high error detected on pressure sensor in plunger circuit.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
The offset value of the plunger circuit pressure sensor is out of specification.
When it clears
The issue is goodchecked after an operation cycle change with brake pedal released in standstill.
Potential impact
System will request Hydraulic Boost Compensation when driver pressed the brake pedal.
Affected models
Model Y 2025+
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