DI_a057 — CAN Overrun Bus D
Full alert identifier: DI_a057_canOverrunBusD
Some fields retain information from an earlier alert reference.
Alert description
There is a controller area network (CAN) overrun error for a given CAN ID (bus D).
Potential impact
The DI ECU is having CAN communication issues with varying impact. Alert log signal data provides the affected CAN ID, and mailbox if it is a TX issue.
Set condition
The DI ECU was unable to transmit or receive all CAN messages on bus D before the mailbox filled up.
Clear condition
Clears when CAN overrun no longer detected on CAN bus D for 5 seconds.
Signals to check
These diagnostic fields are associated with DI_a057. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Can ID
DI_
|
— |
Mailbox ID
DI_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a057.