MCU family
MCU_w134_largePhoneContactSync
Not Available
What does the MCU_w134_largePhoneContactSync alert mean?
A phone contact sync with more than 5000 contacts completed. Alert payload contains the number of contacts loaded.
What you'll see in your Tesla
- Not Available
What triggers it
This alert is set when a phone is connected to Bluetooth and a phone contact is synced with over five thousand contacts.
When it clears
This alert is primarily intended for logging purposes and clears automatically.
Potential impact
Bluetooth connection and call quality may be impacted during a large phone contact sync. Normal operation is expected after the sync is completed.
Affected models
Model S 2012-2020
Model X 2015-2020
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.