DIR_a110 — Brake MIA
Full alert identifier: DIR_a110_brakeMIA
Alert description
The drive interface (DI) electronic control unit (ECU) detects that the electronic parking brake (EPB) controller area network (CAN) node is missing (MIA).
Potential impact
The DI ECU is unable to monitor the state of the EPB.
Set condition
The DI ECU is not receiving the expected CAN communication from the EPB, and considers it irrational or MIA.
Clear condition
The DI ECU receives the required CAN messages from the EPB.
Signals to check
These diagnostic fields are associated with DIR_a110. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
EPBL Autonomy Health
DIR_
|
— |
EPBL Status
DIR_
|
— |
EPBR Autonomy Health
DIR_
|
— |
EPBR Status
DIR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a110.