DIRER_a134 — Wheel Speed Irrational
Full alert identifier: DIRER_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
These diagnostic fields are associated with DIRER_a134. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Wheel Speed Diff Fr L
DIRER_
|
kph |
Wheel Speed Diff Fr R
DIRER_
|
kph |
Wheel Speed Diff Re L
DIRER_
|
kph |
Wheel Speed Diff Re R
DIRER_
|
kph |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIRER_a134.