MyTeslaMate
RCM2 family

RCM2_a809_configDriveMismatch

Safety restraint system issue

What does the RCM2_a809_configDriveMismatch alert mean?

Drive Orientation Stored does not match Vehicle

What you'll see in your Tesla

  • Safety restraint system issue
  • Service is required

What triggers it

The restraint control module learned orientation does not match the vehicle drive orientation.

When it clears

The drive orientation learn routine is successfully run.

Potential impact

The Safety Restraint System may not perform as designed.

Affected models

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

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.