MyTeslaMate
GTW family

GTW_w078_VEHbusOverloaded

Not Available

What does the GTW_w078_VEHbusOverloaded alert mean?

The vehicle gateway (GTW) detects an abnormally high amount of message traffic on the Vehicle (VEH) controller area network (CAN) bus. May result from a specific electronic control unit (ECU) showing unusual level of CAN activity or due to an unexpected event causing higher message rate than expected from multiple ECUs.

What you'll see in your Tesla

  • Not Available

What triggers it

The GTW detects the VEH CAN bus has an abnormally high amount of message traffic (greater than 70% of maximum capacity, or bandwidth).

When it clears

The GTW detects the amount of VEH CAN bus message traffic is within expected range (70% or less of maximum capacity, or bandwidth).

Potential impact

Some CAN messages sent over the VEH bus may be dropped / not received. Features depending on communication over the VEH bus may be limited or unavailable.

Affected models

Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ Model Y Model Y 2025+ Semitruck

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.