SSFA_a071 — SEPS MIA
Full alert identifier: SSFA_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 SSFA_a071. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Rack Control
SSFA_
|
— |
HANDWHEEL Rear Steer Status
SSFA_
|
— |
HANDWHEEL Steering Control
SSFA_
|
— |
HANDWHEEL System CCW
SSFA_
|
— |
HANDWHEEL System CW
SSFA_
|
— |
LC System CW
SSFA_
|
— |
RACK Cross Check Id
SSFA_
|
— |
RACK Rack Control
SSFA_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
RACK Rack Status
SSFA_
|
— |
RACK Rack Status 2
SSFA_
|
— |
RACK Steering Control
SSFA_
|
— |
RACK System CCW
SSFA_
|
— |
RACK Temperature
SSFA_
|
— |
RACK Vehicle Estimates
SSFA_
|
— |
RC System CW
SSFA_
|
— |
SEPSI TMR Angle Sensor Calibration 1
SSFA_
|
— |
SEPSI TMR Angle Sensor Calibration 2
SSFA_
|
— |
SEPSI Challenge
SSFA_
|
— |
SEPSI Challenge Status
SSFA_
|
— |
SEPSI Controller Startup
SSFA_
|
— |
SEPSI Handwheel Calibration
SSFA_
|
— |
SEPSI Motor Calibration
SSFA_
|
— |
SEPSI Position Detect
SSFA_
|
— |
SEPSI Rack Calibration
SSFA_
|
— |
SEPSI Vehicle Signals
SSFA_
|
— |
SHAFTP System CCW
SSFA_
|
— |
SHAFTP System CW
SSFA_
|
— |
SHAFTS Status
SSFA_
|
— |
SHAFTS Steering Control
SSFA_
|
— |
SHAFTS System CW
SSFA_
|
— |
SHAFTS Vehicle Estimates
SSFA_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SSFA_a071.