OCS1P family
OCS1P_w144_mismatchCarRegion
Safety restraint system issue
What does the OCS1P_w144_mismatchCarRegion alert mean?
The 1st Row (Front) Passenger Occupancy Classification System (OCS1P) detects the 1st row seat is not compatible with the reported vehicle region.
What you'll see in your Tesla
- Safety restraint system issue
- Service is required
What triggers it
The OCS1P detects a seat that is not compatible with the reported vehicle region.
When it clears
The OCS1P detects a seat that is compatible the reported vehicle region.
Potential impact
The occupancy classification cannot be performed.
Affected models
Model 3 2017-2023
Model Y
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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.