VCSEC-A306
VCSEC_a306_KeyfobAdvReceivedWhileConnected
Also written as VCSEC_A306 / VCSEC A306 / VCSEC_a306_KeyfobAdvReceivedWhileConnected / vcsec_a306_keyfobadvreceivedwhileconnected
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does VCSEC-A306 mean?
Tesla alert code in the Vehicle Controller Security (VCSEC) module. Keyfob connection has been dropped since an advertisement was recevied from the connected keyfob VCSEC commands to add services to center endpoint is timed out This VCSEC has no customer-usable keys paired to it VCSEC has no customer-usable keys paired to it At least one NFC-card, keyfob, or phone-key is paired Car will not be secure; customer will not be able to drive
Original Description
Keyfob connection has been dropped since an advertisement was recevied from the connected keyfob VCSEC commands to add services to center endpoint is timed out This VCSEC has no customer-usable keys paired to it VCSEC has no customer-usable keys paired to it At least one NFC-card, keyfob, or phone-key is paired Car will not be secure; customer will not be able to drive
Affected Tesla Models
What You May Notice
- Vehicle Controller Security alert: Keyfob connection has been dropped since an advertisement was recevied from the connected keyfob VCSEC commands to add s
- Possible issue with keyless entry or passive entry
- Alert in the Tesla app
How to Diagnose and Resolve
- 1 Reboot the vehicle
- 2 Re-pair your phone key or key card in Controls > Locks
- 3 Schedule service if Sentry Mode or key access remains unreliable
Severity Notes
VCSEC-A306 is an Alert in the Vehicle Controller Security system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.