GTW-W178
GTW_w178_driveRailMismatch
What does GTW-W178 mean?
Tesla warning code in the Gateway (GTW) module. The Gateway (GTW) is complaining about a state mismatch between the drive rail requested and the current one sensed. There are three scenarios that can cause this alert to appear: The Drive Rail was requested "On" by the Gateway, but it is stuck in the "Off" state. This is possibly due to a relay that will not unlatch. The Drive Rail was requested "On" when it is already in the "On" state. This is most likely a bad sense lead in the Gateway.The Drive Rail was requested "Off" and it is stuck in the "On" state. This is possibly due to a relay that will not unlatch?.
Original Description
The Gateway (GTW) is complaining about a state mismatch between the drive rail requested and the current one sensed. There are three scenarios that can cause this alert to appear: The Drive Rail was requested "On" by the Gateway, but it is stuck in the "Off" state. This is possibly due to a relay that will not unlatch. The Drive Rail was requested "On" when it is already in the "On" state. This is most likely a bad sense lead in the Gateway.The Drive Rail was requested "Off" and it is stuck in the "On" state. This is possibly due to a relay that will not unlatch?.
Severity Notes
GTW-W178 is a Warning in the Gateway system. Schedule service soon. Monitor your vehicle for additional warnings.