VCLEFT_a114 — ESP MIA
Full alert identifier: VCLEFT_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 VCLEFT_a114. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
BDY Offsets
VCLEFT_
|
— |
BDY Party 3
VCLEFT_
|
— |
BDY Status
VCLEFT_
|
— |
BDY Wheel Rotation
VCLEFT_
|
— |
BDY Wheel Speeds
VCLEFT_
|
— |
CH Party 1
VCLEFT_
|
— |
CH Party 3
VCLEFT_
|
— |
CH Status
VCLEFT_
|
— |
Show 12 more fields
| Signal | Unit |
|---|---|
CH Wheel Rotation
VCLEFT_
|
— |
CH Wheel Speeds
VCLEFT_
|
— |
PARTY Brake Torque
VCLEFT_
|
— |
PARTY Offsets
VCLEFT_
|
— |
PARTY Party 3
VCLEFT_
|
— |
PARTY Status
VCLEFT_
|
— |
PARTY Wheel Rotation
VCLEFT_
|
— |
PARTY Wheel Speeds
VCLEFT_
|
— |
VEH Party 3
VCLEFT_
|
— |
VEH Status
VCLEFT_
|
— |
VEH Wheel Rotation
VCLEFT_
|
— |
VEH Wheel Speeds
VCLEFT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a114.