TESLA Warning
GTW_w277
GTW_w277_iBoosterReduced
What does GTW_w277 mean?
Tesla warning code in the Gateway (GTW) module. The Gateway has detected that the iBooster functionality has been reduced. If this alert is present, the power brake assist will be reduced.
Original Description
The Gateway has detected that the iBooster functionality has been reduced. If this alert is present, the power brake assist will be reduced.
Severity Notes
GTW_w277 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.