VCSEC-A210
VCSEC_a210_keyDeviceBatteryLow
Also written as VCSEC_A210 / VCSEC A210 / VCSEC_a210_keyDeviceBatteryLow / vcsec_a210_keydevicebatterylow
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-A210 mean?
Tesla alert code in the Vehicle Controller Security (VCSEC) module. Low battery detected on key device If reported key voltage is below a temperature dependent threshold When accessory power turns off Key will stop functioning soon
Original Description
Low battery detected on key device If reported key voltage is below a temperature dependent threshold When accessory power turns off Key will stop functioning soon
Affected Tesla Models
What You May Notice
- Vehicle Controller Security alert: Low battery detected on key device If reported key voltage is below a temperature dependent threshold When accessory pow
- 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-A210 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.