USM_a095 — CHG MIA

Full alert identifier: USM_a095_CHG_MIA

Alert description

One or more of the messages the vehicle controller receives periodically from the onboard charger (CHG) electronic control unit (ECU) is not received, indicating the CHG ECU may be unavailable (MIA).

Potential impact

Charging may not start or may be interrupted unexpectedly.

Set condition

The vehicle controller does not receive one or more of the expected messages from the CHG ECU within the expected time frame.

Clear condition

The vehicle controller starts receiving the expected messages from the CHG ECU.

Signals to check

These diagnostic fields are associated with USM_a095. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
PT Pt Nm `USM_a095_PT_ptNm`	—
PT Status `USM_a095_PT_status`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of USM_a095.

USM_a097 — CMP MIA USM_a097_CMP_MIA One or more of the messages the vehicle controller receives periodically from the air conditioning compressor (CMP) electronic control unit (ECU) is not received, indicating the CMP ECU may be unavailable (MIA).
USM_a103 — CP MIA USM_a103_CP_MIA One or more of the messages the vehicle controller receives periodically from the charge port (CP) electronic control unit (ECU) is not received, indicating the CP ECU may be unavailable (MIA).
USM_a085 — CCCM MIA USM_a085_CCCM_MIA One or more of the messages the vehicle controller receives periodically from the Center Console Control Module (CCCM) electronic control unit (ECU) is not received, indicating the CCCM ECU may be unavailable (MIA).
USM_a091 — CMPD MIA USM_a091_CMPD_MIA One or more of the messages the vehicle controller receives periodically from the heat pump system compressor (CMPD) electronic control unit (ECU) is not received, indicating the CMPD ECU may be unavailable (MIA).
USM_a119 — SCCM MIA USM_a119_SCCM_MIA One or more of the messages the vehicle controller receives periodically from the Steering Column Control Module (SCCM) is not received, indicating the SCCM may be unavailable (MIA).

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