VCSEAT2R_a091 — CMPD MIA

Full alert identifier: VCSEAT2R_a091_CMPD_MIA

Alert description

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).

Potential impact

The HVAC system may be unavailable or may not function as expected.

Set condition

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

Clear condition

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

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSEAT2R_a091.

VCSEAT2R_a097 — CMP MIA VCSEAT2R_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).
VCSEAT2R_a103 — CP MIA VCSEAT2R_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).
VCSEAT2R_a057 — HVP MIA VCSEAT2R_a057_HVP_MIA 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).
VCSEAT2R_a085 — CCCM MIA VCSEAT2R_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).
VCSEAT2R_a090 — APS MIA VCSEAT2R_a090_APS_MIA One or more of the expected CAN messages from APS were not received.

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