GTW_w027 — HVP version Mismatch
Full alert identifier: GTW_w027_HVPversionMismatch
Message shown in the car
Incompatible drive system software detected Schedule service - Unable to drive until updated
Alert description
The vehicle gateway (GTW) detects the High Voltage Processor (HVP) 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
Vehicle is unable to drive, charge, or support the low voltage battery / electrical system until the firmware version mismatch is resolved, to make sure high voltage system functionality is not limited or unavailable due to firmware.
Set condition
The GTW detects the HVP running a different firmware version than expected.
Clear condition
The GTW no longer detects the HVP running a different firmware version than expected.
Signals to check
These diagnostic fields are associated with GTW_w027. 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_w027.