GTW_w081 — Uds Message Rejected

Full alert identifier: GTW_w081_udsMessageRejected

Alert description

Due to product security concerns, the vehicle gateway (GTW) has blocked a unified diagnostic services (UDS) message that the infotainment system attempted to send via GTW over a controller area network (CAN) bus. May result from a UDS message not having correct permissions (not whitelisted), but may also indicate an attempt to penetrate product security via the infotainment processor.

Potential impact

UDS communication may not function as expected. Diagnostic routine(s) may not complete successfully due to lack of communication.

Set condition

The GTW receives a UDS message without adequate product security permissions (not whitelisted).

Clear condition

Clears automatically.

Signals to check

These diagnostic fields are associated with GTW_w081. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
ISOT Pmsg Type `GTW_a081_ISOTPmsgType` 0 SINGLE 1 FIRST 2 CONSECUTIVE 3 FLOW	—
Can Id `GTW_a081_canId`	—
Uds SID `GTW_a081_udsSID`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of GTW_w081.