PSFAM_a071 — SEPS MIA
Full alert identifier: PSFAM_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 PSFAM_a071. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Rack Control
PSFAM_
|
— |
HANDWHEEL Rear Steer Status
PSFAM_
|
— |
HANDWHEEL Steering Control
PSFAM_
|
— |
HANDWHEEL System CCW
PSFAM_
|
— |
HANDWHEEL System CW
PSFAM_
|
— |
LC System CW
PSFAM_
|
— |
RACK Cross Check Id
PSFAM_
|
— |
RACK Rack Control
PSFAM_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
RACK Rack Status
PSFAM_
|
— |
RACK Rack Status 2
PSFAM_
|
— |
RACK Steering Control
PSFAM_
|
— |
RACK System CCW
PSFAM_
|
— |
RACK Temperature
PSFAM_
|
— |
RACK Vehicle Estimates
PSFAM_
|
— |
RC System CW
PSFAM_
|
— |
SEPSI TMR Angle Sensor Calibration 1
PSFAM_
|
— |
SEPSI TMR Angle Sensor Calibration 2
PSFAM_
|
— |
SEPSI Challenge
PSFAM_
|
— |
SEPSI Challenge Status
PSFAM_
|
— |
SEPSI Controller Startup
PSFAM_
|
— |
SEPSI Handwheel Calibration
PSFAM_
|
— |
SEPSI Motor Calibration
PSFAM_
|
— |
SEPSI Position Detect
PSFAM_
|
— |
SEPSI Rack Calibration
PSFAM_
|
— |
SEPSI Vehicle Signals
PSFAM_
|
— |
SHAFTP System CCW
PSFAM_
|
— |
SHAFTP System CW
PSFAM_
|
— |
SHAFTS Status
PSFAM_
|
— |
SHAFTS Steering Control
PSFAM_
|
— |
SHAFTS System CW
PSFAM_
|
— |
SHAFTS Vehicle Estimates
PSFAM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PSFAM_a071.