RSA_a071 — SEPS MIA
Full alert identifier: RSA_a071_SEPS_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the Secondary Electric Power Steering (SEPS) electronic control unit (ECU) is not received, indicating the SEPS ECU may be unavailable (MIA).
Potential impact
Power steering may be limited or unavailable.
Set condition
One or more of the expected messages from the SEPS ECU is not received.
Clear condition
The vehicle controller starts receiving the expected messages from the SEPS ECU.
Signals to check
These diagnostic fields are associated with RSA_a071. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Rack Control
RSA_
|
— |
HANDWHEEL Rear Steer Status
RSA_
|
— |
HANDWHEEL Steering Control
RSA_
|
— |
HANDWHEEL System CCW
RSA_
|
— |
HANDWHEEL System CW
RSA_
|
— |
LC System CW
RSA_
|
— |
RACK Cross Check Id
RSA_
|
— |
RACK Rack Control
RSA_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
RACK Rack Status
RSA_
|
— |
RACK Rack Status 2
RSA_
|
— |
RACK Steering Control
RSA_
|
— |
RACK System CCW
RSA_
|
— |
RACK Temperature
RSA_
|
— |
RACK Vehicle Estimates
RSA_
|
— |
RC System CW
RSA_
|
— |
SEPSI TMR Angle Sensor Calibration 1
RSA_
|
— |
SEPSI TMR Angle Sensor Calibration 2
RSA_
|
— |
SEPSI Challenge
RSA_
|
— |
SEPSI Challenge Status
RSA_
|
— |
SEPSI Controller Startup
RSA_
|
— |
SEPSI Handwheel Calibration
RSA_
|
— |
SEPSI Motor Calibration
RSA_
|
— |
SEPSI Position Detect
RSA_
|
— |
SEPSI Rack Calibration
RSA_
|
— |
SEPSI Vehicle Signals
RSA_
|
— |
SHAFTP System CCW
RSA_
|
— |
SHAFTP System CW
RSA_
|
— |
SHAFTS Status
RSA_
|
— |
SHAFTS Steering Control
RSA_
|
— |
SHAFTS System CW
RSA_
|
— |
SHAFTS Vehicle Estimates
RSA_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of RSA_a071.