DIRER_a091 — Esp MIA
Full alert identifier: DIRER_a091_espMIA
Alert description
The drive interface (DI) electronic control unit (ECU) detects that the electronic stability program (ESP, also known as traction control) controller area network (CAN) node is missing (MIA).
Potential impact
The DI ECU is unable to monitor the state of the ESP.
Set condition
The DI ECU is not receiving the expected CAN communication from the ESP, and considers it irrational or MIA.
Clear condition
The DI ECU receives the required CAN messages from the ESP.
Signals to check
These diagnostic fields are associated with DIRER_a091. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
ESP Brake Torque
DIRER_
|
— |
ESP Motor Limits
DIRER_
|
— |
ESP Offsets
DIRER_
|
— |
ESP Party 3
DIRER_
|
— |
ESP Redundant Braking Status
DIRER_
|
— |
ESP Status
DIRER_
|
— |
ESP Wheel Rotation
DIRER_
|
— |
ESP Wheel Speeds
DIRER_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIRER_a091.