DPB_a259_valveRelayTestUndervoltage

Conditions for valve relay switch on test not correct.

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

Conditions for valve relay switch on test not correct.

Cause

Voltage conditions (valve supply) for initial valve relay safety test is not correct. Test if the VR can be switched off by safety logic.

Clear condition

No issue is detected in current operation cycle.

Models

Model Y 2025+

Visibility

customer, service-fix

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