VCSEC-A208
VCSEC_a208_BLERearAssertFailure
Also written as VCSEC_A208 / VCSEC A208 / VCSEC_a208_BLERearAssertFailure / vcsec_a208_blerearassertfailure
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-A208 mean?
Tesla alert code in the Vehicle Controller Security (VCSEC) module. The rear BLE endpoint failed assert caused by an error in the TI stack GATT server busy, could not go from non connectable advertisements to connectable advertisements
Original Description
The rear BLE endpoint failed assert caused by an error in the TI stack GATT server busy, could not go from non connectable advertisements to connectable advertisements
Affected Tesla Models
What You May Notice
- Vehicle Controller Security alert: The rear BLE endpoint failed assert caused by an error in the TI stack GATT server busy, could not go from non connectab
- 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-A208 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.