DIR_a134 — Wheel Speed Irrational
Full alert identifier: DIR_a134_wheelSpeedIrrational
Alert description
The drive interface (DI) electronic control unit (ECU) receives irrational or missing data from a wheel speed sensor (WSS).
Potential impact
This alert is primarily informational. If it persists, traction control may become unavailable.
Set condition
The DI ECU receives irrational or no data from the WSS.
Clear condition
The DI ECU receives expected/rational data from the WSS.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Wheel Speed Diff Fr L
DIR_
|
kph |
Wheel Speed Diff Fr R
DIR_
|
kph |
Wheel Speed Diff Re L
DIR_
|
kph |
Wheel Speed Diff Re R
DIR_
|
kph |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a134.