GTW-W180
GTW_w180_hvacRailMismatch
Also written as GTW_W180 / GTW W180 / GTW_w180_hvacRailMismatch / gtw_w180_hvacrailmismatch
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does GTW-W180 mean?
Tesla warning code in the Gateway (GTW) module. The measured Heating, Ventilation, Air-Conditioning (HVAC) rail voltage does not match the expected state of the HVAC rail (i.e. the HVAC rail is on, but the voltage measured is not within 2V of the 12V reference rail).
Original Description
The measured Heating, Ventilation, Air-Conditioning (HVAC) rail voltage does not match the expected state of the HVAC rail (i.e. the HVAC rail is on, but the voltage measured is not within 2V of the 12V reference rail).
Affected Tesla Models
What You May Notice
- Gateway alert: The measured Heating, Ventilation, Air-Conditioning (HVAC) rail voltage does not match the expected state of the HVAC ra
- One or more features may temporarily be unavailable
- Usually resolves after a reboot
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels)
- 2 Check for pending OTA software updates
- 3 Schedule service if the alert recurs frequently
Severity Notes
GTW-W180 is a Warning in the Gateway system. Schedule service soon. Monitor your vehicle for additional warnings.