GTW_w020 — DIR version Mismatch
Full alert identifier: GTW_w020_DIRversionMismatch
Alert description
The vehicle gateway (GTW) detects the rear drive inverter (DIR) 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 until the firmware version mismatch is resolved, to make sure rear drive unit functionality is not limited or unavailable due to firmware. Inability to use waste heat to supplement high voltage battery heating may make charging at colder temperatures limited or unavailable.
Set condition
The GTW detects the DIR running a different firmware version than expected.
Clear condition
The GTW no longer detects the DIR running a different firmware version than expected.
Signals to check
These diagnostic fields are associated with GTW_w020. Check the alert's Alert Log 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_w020.