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USM_a086 — VCBATT MIA

Full alert identifier: USM_a086_VCBATT_MIA

Alert description

One or more of the messages the vehicle controller receives periodically from the vehicle battery controller (VCBATT) is not received, indicating the VCBATT may be unavailable (MIA).

Potential impact

Vehicle functionality depending on the VCBATT may be limited or unavailable.

Set condition

One or more of the expected messages from the VCBATT is not received.

Clear condition

The vehicle controller starts receiving the expected messages from the VCBATT.

Signals to check

These diagnostic fields are associated with USM_a086. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
VEH 12 V Battery Status USM_a086_VEH_12VBatteryStatus —
VEH LVBMS Status High USM_a086_VEH_LVBMS_statusHigh —
VEH LVBMS Status Low USM_a086_VEH_LVBMS_statusLow —
VEH LV Power State USM_a086_VEH_LVPowerState —
VEH Light Status USM_a086_VEH_lightStatus —
VEH Status USM_a086_VEH_status —
VEH System Status USM_a086_VEH_systemStatus —
VEH Thermal Status USM_a086_VEH_thermalStatus —
Show 1 more field
Signal Unit
VEH Veh Nm USM_a086_VEH_vehNm —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of USM_a086.

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