GTW_w219 — CMPS version Mismatch
Full alert identifier: GTW_w219_CMPSversionMismatch
Alert description
The vehicle gateway (GTW) detects the heat pump system compressor (CMPS) electronic control unit (ECU) is running a firmware version that may not be compatible with the firmware installed on the rest of the vehicle.
Potential impact
Thermal management system features depending on heat pump system compressor functionality may be limited or unavailable.
Set condition
The GTW detects the CMPS ECU running a different firmware version than expected.
Clear condition
The GTW no longer detects the CMPS ECU running a different firmware version than expected.
Signals to check
These diagnostic fields are associated with GTW_w219. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Crc Version
GTW_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of GTW_w219.