MyTeslaMate
GTW family

GTW_w315_HCM3OLBversionMismatch

Not Available

What does the GTW_w315_HCM3OLBversionMismatch alert mean?

The vehicle gateway (GTW) detects the Off Road Lightbar (HCM3OLB) 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 HCM3OLB running a different firmware version than expected.

When it clears

The GTW no longer detects the HCM3OLB running a different firmware version than expected.

Potential impact

Features depending on HCM3OLB functionality, including lighting, may be limited or unavailable.

Affected models

Cybertruck

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.