MyTeslaMate
GTW family

GTW_w146_performancePackageMismatch

Incompatible vehicle modification detected

What does the GTW_w146_performancePackageMismatch alert mean?

The vehicle gateway (GTW) detects an unexpected powertrain configuration value change. May indicate a 3rd party device that modifies powertrain performance is installed on the vehicle.

What you'll see in your Tesla

  • Incompatible vehicle modification detected
  • Potential risk of damage or shutdown

What triggers it

The GTW detects a powertrain configuration value that does not match the expected value.

When it clears

The GTW detects a powertrain configuration value that matches the expected value.

Potential impact

No direct impact on vehicle functionality. May indicate a 3rd party device or modification is affecting powertrain performance, which may lead to vehicle damage or shutdown.

Affected models

Cybertruck 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.