Is GTW_W163 the same as GTW-W163?

Yes. GTW_W163, GTW W163, and GTW-W163 are alternate spellings of the same Tesla alert code. Also written as: GTW-W163, GTW_W163, GTW W163, GTW_w163_chgPh3Mia, gtw_w163_chgph3mia.

What symptoms can GTW-W163 cause?

Gateway alert: The Gateway has a controller area network (CAN) bus communication error with phase 3 of the charger. One or more features may temporarily be unavailable Usually resolves after a reboot

What should I check for GTW-W163?

1. Perform a soft reboot (hold both scroll wheels) 2. Check for pending OTA software updates 3. Schedule service if the alert recurs frequently

Is it safe to drive with GTW-W163?

🟡 Check the vehicle display for drive or charge restrictions and schedule service promptly.

TESLA Warning

GTW-W163

GTW_w163_chgPh3Mia

Also written as GTW_W163 / GTW W163 / GTW_w163_chgPh3Mia / gtw_w163_chgph3mia

System

GTW

Gateway

Type

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-W163 mean?

Tesla warning code in the Gateway (GTW) module. The Gateway has a controller area network (CAN) bus communication error with phase 3 of the charger.

Original Description

The Gateway has a controller area network (CAN) bus communication error with phase 3 of the charger.

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

Gateway alert: The Gateway has a controller area network (CAN) bus communication error with phase 3 of the charger.
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-W163 is a Warning in the Gateway system. Schedule service soon. Monitor your vehicle for additional warnings.

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