EPBR_a114 — ESP MIA
Full alert identifier: EPBR_a114_ESP_MIA
Alert description
One or more expected Controller Area Network (CAN) messages from the Electronic Stability Program (ESP) electronic control unit (ECU) was not received. Stability and traction control functions may be unavailable, or their performance may be affected.
Potential impact
Stability and traction control functions may be unavailable, or their performance may be affected.
Set condition
An expected CAN message from the Electronic Stability Program (ESP) electronic control unit (ECU) has not been received within the expected timeout, or the message drop rate is too high while the ESP is CAN active. The ESP is considered CAN active when VCFRONT_privateGoToSleep is 0 AND VCFRONT_espLVState is LV_ON.
Clear condition
All expected CAN messages from the Electronic Stability Program (ESP) electronic control unit (ECU) are received, or the ESP ECU is CAN inactive.
Signals to check
These diagnostic fields are associated with EPBR_a114. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
BDY Offsets
EPBR_
|
— |
BDY Party 3
EPBR_
|
— |
BDY Status
EPBR_
|
— |
BDY Wheel Rotation
EPBR_
|
— |
BDY Wheel Speeds
EPBR_
|
— |
CH Party 1
EPBR_
|
— |
CH Party 3
EPBR_
|
— |
CH Status
EPBR_
|
— |
Show 12 more fields
| Signal | Unit |
|---|---|
CH Wheel Rotation
EPBR_
|
— |
CH Wheel Speeds
EPBR_
|
— |
PARTY Brake Torque
EPBR_
|
— |
PARTY Offsets
EPBR_
|
— |
PARTY Party 3
EPBR_
|
— |
PARTY Status
EPBR_
|
— |
PARTY Wheel Rotation
EPBR_
|
— |
PARTY Wheel Speeds
EPBR_
|
— |
VEH Party 3
EPBR_
|
— |
VEH Status
EPBR_
|
— |
VEH Wheel Rotation
EPBR_
|
— |
VEH Wheel Speeds
EPBR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a114.