VCFRONT_a057 — HVP MIA

Full alert identifier: VCFRONT_a057_HVP_MIA

Alert description

One or more of the expected messages the electronic control unit (ECU) receives periodically from the high voltage processor (HVP) ECU is not received, indicating the HVP may be unavailable (MIA).

Potential impact

Vehicle may be unable to drive. Charging may be limited or unavailable.

Set condition

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

Clear condition

The electronic control unit (ECU) starts receiving the expected messages from the HVP ECU.

Signals to check

These diagnostic fields are associated with VCFRONT_a057. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
VEH Cp Control `VCFRONT_a057_VEH_cpControl`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a057.

VCFRONT_a097 — CMP MIA VCFRONT_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).
VCFRONT_a103 — CP MIA VCFRONT_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).
VCFRONT_a114 — ESP MIA VCFRONT_a114_ESP_MIA One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may b…
VCFRONT_a154 — APP MIA VCFRONT_a154_APP_MIA One or more of the expected CAN messages from APP were not received.
VCFRONT_a091 — CMPD MIA VCFRONT_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).

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