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HVREX_a389 — Hvs Bus Error Passive

Full alert identifier: HVREX_a389_HvsBusErrorPassive

Alert description

The High Voltage System (HVS) bus is in the error passive state.

Potential impact

The HVS bus may be unable to communicate with other components, which will lead to vehicle being unable to drive or charge.

Set condition

The HVS bus is disconnected or is experiencing a condition affecting its functionality, causing it to enter the error passive state.

Clear condition

The HVS bus is no longer in the error passive state.

Signals to check

These diagnostic fields are associated with HVREX_a389. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Last Error Code HVREX_a389_lastErrorCode
0
NO ERROR
1
STUFF ERROR
2
FORM ERROR
3
ACK ERROR
4
BIT1 ERROR
5
BIT0 ERROR
6
CRC ERROR
7
NO CHANGE
—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVREX_a389.

Browse all HVREX alert codes