VCSEC-A252
VCSEC_a252_TPMSUpdateCompleteSensor3
Also written as VCSEC_A252 / VCSEC A252 / VCSEC_a252_TPMSUpdateCompleteSensor3 / vcsec_a252_tpmsupdatecompletesensor3
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-A252 mean?
Tesla alert code in the Vehicle Controller Security (VCSEC) module. Security controller has successfully updated sensor 3. The security controller timed out when transitting a protobuf All endpoints have not heard the rear endpoint advertising for at least 20 seconds Added public key to whitelist. For informational purposes only
Original Description
Security controller has successfully updated sensor 3. The security controller timed out when transitting a protobuf All endpoints have not heard the rear endpoint advertising for at least 20 seconds Added public key to whitelist. For informational purposes only
Affected Tesla Models
What You May Notice
- Vehicle Controller Security alert: Security controller has successfully updated sensor 3. The security controller timed out when transitting a protobuf All
- 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-A252 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.