GTW family
GTW_w021_EPAS3PversionMismatch
Not Available
What does the GTW_w021_EPAS3PversionMismatch alert mean?
The vehicle gateway (GTW) detects the primary Electronic Power Assisted Steering (EPAS3P) electronic control unit (ECU) is running a firmware version that may not be compatible with the firmware installed on the rest of the vehicle.
What you'll see in your Tesla
- Not Available
What triggers it
The GTW detects the EPAS3P ECU running a different firmware version than expected.
When it clears
The GTW no longer detects the EPAS3P ECU running a different firmware version than expected.
Potential impact
Power steering 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+
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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.