SSFAM_a071 — SEPS MIA
Full alert identifier: SSFAM_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 SSFAM_a071. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Rack Control
SSFAM_
|
— |
HANDWHEEL Rear Steer Status
SSFAM_
|
— |
HANDWHEEL Steering Control
SSFAM_
|
— |
HANDWHEEL System CCW
SSFAM_
|
— |
HANDWHEEL System CW
SSFAM_
|
— |
LC System CW
SSFAM_
|
— |
RACK Cross Check Id
SSFAM_
|
— |
RACK Rack Control
SSFAM_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
RACK Rack Status
SSFAM_
|
— |
RACK Rack Status 2
SSFAM_
|
— |
RACK Steering Control
SSFAM_
|
— |
RACK System CCW
SSFAM_
|
— |
RACK Temperature
SSFAM_
|
— |
RACK Vehicle Estimates
SSFAM_
|
— |
RC System CW
SSFAM_
|
— |
SEPSI TMR Angle Sensor Calibration 1
SSFAM_
|
— |
SEPSI TMR Angle Sensor Calibration 2
SSFAM_
|
— |
SEPSI Challenge
SSFAM_
|
— |
SEPSI Challenge Status
SSFAM_
|
— |
SEPSI Controller Startup
SSFAM_
|
— |
SEPSI Handwheel Calibration
SSFAM_
|
— |
SEPSI Motor Calibration
SSFAM_
|
— |
SEPSI Position Detect
SSFAM_
|
— |
SEPSI Rack Calibration
SSFAM_
|
— |
SEPSI Vehicle Signals
SSFAM_
|
— |
SHAFTP System CCW
SSFAM_
|
— |
SHAFTP System CW
SSFAM_
|
— |
SHAFTS Status
SSFAM_
|
— |
SHAFTS Steering Control
SSFAM_
|
— |
SHAFTS System CW
SSFAM_
|
— |
SHAFTS Vehicle Estimates
SSFAM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SSFAM_a071.