EPAS3S_a155 — Backup Eac Active
Full alert identifier: EPAS3S_a155_backupEacActive
Alert description
Electric Power Assisted Steering (EPAS) reports its secondary Electronic Control Unit (ECU) activated External Angle Control (EAC).
Potential impact
Backup EAC is active due to a detected condition on the primary steering ECU.
Set condition
The EPAS secondary ECU activates EAC due to a condition affecting the primary ECU.
Clear condition
Vehicle completes a power cycle. The alert will remain present for the remainder of the current drive cycle.
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 |
|---|---|
Vehicle Speed
EPAS3S_
|
kph |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPAS3S_a155.