TESLA Warning

GTW_w179

GTW_w179_accRailMismatch

System
GTW
Gateway
Type
Warning
Category
Network
Severity
Warning

What does GTW_w179 mean?

Tesla warning code in the Gateway (GTW) module. The Adaptive Cruise Control (ACC) rail voltage does not match what the vehicle is expecting. There are three scenarios that can cause this alert to appear: The ACC 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 ACC rail was requested "On" when it is already in the "On" state. This is most likely a bad sense lead in the Gateway.The ACC 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 Adaptive Cruise Control (ACC) rail voltage does not match what the vehicle is expecting. There are three scenarios that can cause this alert to appear: The ACC 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 ACC rail was requested "On" when it is already in the "On" state. This is most likely a bad sense lead in the Gateway.The ACC 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_w179 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.