PEPSM_a071 — SEPS MIA
Full alert identifier: PEPSM_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 PEPSM_a071. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Rack Control
PEPSM_
|
— |
HANDWHEEL Rear Steer Status
PEPSM_
|
— |
HANDWHEEL Steering Control
PEPSM_
|
— |
HANDWHEEL System CCW
PEPSM_
|
— |
HANDWHEEL System CW
PEPSM_
|
— |
LC System CW
PEPSM_
|
— |
RACK Cross Check Id
PEPSM_
|
— |
RACK Rack Control
PEPSM_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
RACK Rack Status
PEPSM_
|
— |
RACK Rack Status 2
PEPSM_
|
— |
RACK Steering Control
PEPSM_
|
— |
RACK System CCW
PEPSM_
|
— |
RACK Temperature
PEPSM_
|
— |
RACK Vehicle Estimates
PEPSM_
|
— |
RC System CW
PEPSM_
|
— |
SEPSI TMR Angle Sensor Calibration 1
PEPSM_
|
— |
SEPSI TMR Angle Sensor Calibration 2
PEPSM_
|
— |
SEPSI Challenge
PEPSM_
|
— |
SEPSI Challenge Status
PEPSM_
|
— |
SEPSI Controller Startup
PEPSM_
|
— |
SEPSI Handwheel Calibration
PEPSM_
|
— |
SEPSI Motor Calibration
PEPSM_
|
— |
SEPSI Position Detect
PEPSM_
|
— |
SEPSI Rack Calibration
PEPSM_
|
— |
SEPSI Vehicle Signals
PEPSM_
|
— |
SHAFTP System CCW
PEPSM_
|
— |
SHAFTP System CW
PEPSM_
|
— |
SHAFTS Status
PEPSM_
|
— |
SHAFTS Steering Control
PEPSM_
|
— |
SHAFTS System CW
PEPSM_
|
— |
SHAFTS Vehicle Estimates
PEPSM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PEPSM_a071.