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PCS2_a040 — Hv Bus Bot Over Voltage

Full alert identifier: PCS2_a040_hvBusBotOverVoltage

Alert description

The sensor measuring the bottom half of the high voltage (HV) bus voltage detects a value above the allowed voltage threshold

Potential impact

DCDC functionality may be limited or paused

Set condition

TThe sensor measuring the bottom half of the HV bus voltage goes above the allowed voltage threshold

Clear condition

The DCDC system retries

Signals to check

These diagnostic fields are associated with PCS2_a040. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Hv Bus Bot Voltage PCS2_a040_hvBusBotVoltage V
Hv Bus Top Voltage PCS2_a040_hvBusTopVoltage V
Hv Bus Voltage PCS2_a040_hvBusVoltage V
Voltage Fault Threshold PCS2_a040_voltageFaultThreshold V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS2_a040.

Browse all PCS2 alert codes