SEPS_a071 — SEPS MIA
Full alert identifier: SEPS_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 SEPS_a071. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Rack Control
SEPS_
|
— |
HANDWHEEL Rear Steer Status
SEPS_
|
— |
HANDWHEEL Steering Control
SEPS_
|
— |
HANDWHEEL System CCW
SEPS_
|
— |
HANDWHEEL System CW
SEPS_
|
— |
LC System CW
SEPS_
|
— |
RACK Cross Check Id
SEPS_
|
— |
RACK Rack Control
SEPS_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
RACK Rack Status
SEPS_
|
— |
RACK Rack Status 2
SEPS_
|
— |
RACK Steering Control
SEPS_
|
— |
RACK System CCW
SEPS_
|
— |
RACK Temperature
SEPS_
|
— |
RACK Vehicle Estimates
SEPS_
|
— |
RC System CW
SEPS_
|
— |
SEPSI TMR Angle Sensor Calibration 1
SEPS_
|
— |
SEPSI TMR Angle Sensor Calibration 2
SEPS_
|
— |
SEPSI Challenge
SEPS_
|
— |
SEPSI Challenge Status
SEPS_
|
— |
SEPSI Controller Startup
SEPS_
|
— |
SEPSI Handwheel Calibration
SEPS_
|
— |
SEPSI Motor Calibration
SEPS_
|
— |
SEPSI Position Detect
SEPS_
|
— |
SEPSI Rack Calibration
SEPS_
|
— |
SEPSI Vehicle Signals
SEPS_
|
— |
SHAFTP System CCW
SEPS_
|
— |
SHAFTP System CW
SEPS_
|
— |
SHAFTS Status
SEPS_
|
— |
SHAFTS Steering Control
SEPS_
|
— |
SHAFTS System CW
SEPS_
|
— |
SHAFTS Vehicle Estimates
SEPS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SEPS_a071.