RCM2 family
RCM2_a835_pretenShldCOpen
Safety restraint system issue
What does the RCM2_a835_pretenShldCOpen alert mean?
1st Row Center Seatbelt Retractor Pretensioner - Resistance too High
What you'll see in your Tesla
- Safety restraint system issue
- Service is required
What triggers it
There is a high resistance with the front-center shoulder pretensioner.
When it clears
The high resistance is rectified.
Potential impact
The Center Shoulder Pretensioner 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.