TESLA Warning

GTW_w178

GTW_w178_driveRailMismatch

System
GTW
Gateway
Type
Warning
Category
Network
Severity
Warning

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.

Other GTW Codes

GTW_d004 GTW_f011 This alert indicates there is a thermal controller firmware ... GTW_f012 There is a high voltage (HV) battery firmware version mismat... GTW_f013 The gateway (GTW) reports a GTW firmware version mismatch.... GTW_f014 There is a Drive Inverter firmware version mismatch.... GTW_f015 There is a charge port firmware version mismatch.... GTW_f016 There is a charger firmware version mismatch.... GTW_f028 This alert indicates that there is a secondary charger firmw...
View all GTW codes →

Tesla alert codes sourced from the community-maintained Tesla Alerts Dictionary. This information is for educational purposes only. Always consult Tesla Service for official diagnosis and repairs.