DPB_a089_ecuBandgap

The Decoupled Power Brake (DPB) ECU reports a condition affecting its bandgap.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

Power braking assist reduced
Braking may require increased effort

Impact

System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.

Description

The Decoupled Power Brake (DPB) ECU reports a condition affecting its bandgap.

Cause

The bandgap voltage measured by the Analog-to-Digital Converter (ADC) is not within specification. This can be due to an issue affecting the ADC.

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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