EGGRIGHT3_a129 — CMPT MIA
Full alert identifier: EGGRIGHT3_a129_CMPT_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the heat pump system compressor (CMPT) electronic control unit (ECU) is not received, indicating the CMPT 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 CMPT ECU is not received.
Clear condition
The vehicle controller starts receiving the expected messages from the CMPT ECU.
Signals to check
These diagnostic fields are associated with EGGRIGHT3_a129. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
THERMAL Faults And Extras
EGGRIGHT3_
|
— |
THERMAL Limits
EGGRIGHT3_
|
— |
THERMAL State
EGGRIGHT3_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EGGRIGHT3_a129.