VCSEC_a504 — CAN Msg MAC Verification Key Not Provisioned
Full alert identifier: VCSEC_a504_CANMsgMACVerificationKeyNotProvisioned
Alert description
The Electronic Control Unit (ECU) has not been provisioned with a Controller Area Network (CAN) broadcast verification key.
Potential impact
Authenticated CAN messages are not protected. Vehicle lock functionality may be limited or unavailable.
Set condition
The ECU has not been provisioned with a CAN broadcast verification key.
Clear condition
The alert clears after the vehicle is updated and the ECU completes CAN broadcast key provisioning. If the alert persists after an update, reprovisioning the CAN broadcast keys using the Reprovision CAN Authentication Keys ODIN routine resolves the condition.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSEC_a504.