MyTeslaMate
RCM2 family

RCM2_a123_kneeABPassSht2Bat

Front passenger safety restraint system issue

What does the RCM2_a123_kneeABPassSht2Bat alert mean?

Passenger Inflatible Kneebag - Short to Battery

What you'll see in your Tesla

  • Front passenger safety restraint system issue
  • Service is required

What triggers it

There is a short to battery with the passenger knee airbag.

When it clears

The short to battery is rectified.

Potential impact

The Passenger Knee Airbag 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.