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VCFRONT_a187 — Buses Not Sleeping

Full alert identifier: VCFRONT_a187_busesNotSleeping

Alert description

The vehicle cannot enter sleep state due to some electronic control units (ECUs) not going quiet on one or more of the Controller Area Network (CAN) buses.

Potential impact

The vehicle state of charge (SOC) may decrease faster than expected because the vehicle is not going to sleep.

Set condition

Exiting SLEEP_STANDBY vehicle state without successfully putting Controller Area Network (CAN) buses to sleep.

Clear condition

Vehicle successfully sleeps.

Signals to check

These diagnostic fields are associated with VCFRONT_a187. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Ch Bus Retry Count VCFRONT_a187_chBusRetryCount —
Eth Bus Retry Count VCFRONT_a187_ethBusRetryCount —
Hvs Bus Retry Count VCFRONT_a187_hvsBusRetryCount —
Party Bus Retry Count VCFRONT_a187_partyBusRetryCount —
Veh Bus Retry Count VCFRONT_a187_vehBusRetryCount —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a187.

Browse all VCFRONT alert codes