GTW-W179
GTW_w179_accRailMismatch
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.