TESLA Warning

GTW-W180

GTW_w180_hvacRailMismatch

Also written as GTW_W180 / GTW W180 / GTW_w180_hvacRailMismatch / gtw_w180_hvacrailmismatch

System
GTW
Gateway
Type
Warning
Category
Network
Severity
Warning

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

Model SModel XModel 3Model YCybertruck

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. 1 Perform a soft reboot (hold both scroll wheels)
  2. 2 Check for pending OTA software updates
  3. 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.

Other GTW Codes

View all GTW codes →