EPASTP_a238 — Esp Wr Mia
Full alert identifier: EPASTP_a238_espWrMia
Alert description
The electric power assist steering (EPAS) Electronic Control Unit (ECU) is not receiving the wheel rotation message, resulting in a reduced amount of steering assist to preserve vehicle stability.
Potential impact
The power steering is operational but the level of assist is decreased and External Angle Controller is inhibited.
Set condition
The electric power assist steering (EPAS) Electronic Control Unit (ECU) does not receive the wheel rotation message.
Clear condition
The electric power assist steering (EPAS) Electronic Control Unit (ECU) receives the wheel rotation message.
Signals to check
These diagnostic fields are associated with EPASTP_a238. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Debug Info
EPASTP_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a238.