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.