SEPS_a069 — PSFA MIA
Full alert identifier: SEPS_a069_PSFA_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the Primary Steering Feedback Actuator (PSFA) electronic control unit (ECU) is not received, indicating the PSFA ECU may be unavailable (MIA).
Potential impact
Steering wheel feedback functionality may be limited or unavailable.
Set condition
One or more of the expected messages from the PSFA ECU is not received.
Clear condition
The vehicle controller starts receiving the expected messages from the PSFA ECU.
Signals to check
These diagnostic fields are associated with SEPS_a069. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Feedback Control
SEPS_
|
— |
HANDWHEEL Interface Version
SEPS_
|
— |
HANDWHEEL Steering Control
SEPS_
|
— |
HANDWHEEL System CCW
SEPS_
|
— |
HANDWHEEL Temperature
SEPS_
|
— |
LC Status
SEPS_
|
— |
PSFAI Challenge
SEPS_
|
— |
PSFAI Challenge Status
SEPS_
|
— |
Show 18 more fields
| Signal | Unit |
|---|---|
PSFAI Controller Startup
SEPS_
|
— |
PSFAI Feedback Internal
SEPS_
|
— |
PSFAI Feedback Internal 2
SEPS_
|
— |
PSFAI Handwheel Calibration
SEPS_
|
— |
PSFAI Motor Calibration
SEPS_
|
— |
PSFAI Return Target Internal
SEPS_
|
— |
PSFAI Steering Control Internal
SEPS_
|
— |
PSFAI Vehicle Signals
SEPS_
|
— |
RACK System CCW
SEPS_
|
— |
RACK System CW
SEPS_
|
— |
SHAFTP Rear Steer Request
SEPS_
|
— |
SHAFTP Status
SEPS_
|
— |
SHAFTP Steering Control
SEPS_
|
— |
SHAFTP System CW
SEPS_
|
— |
SHAFTS Rear Steer Request
SEPS_
|
— |
SHAFTS Steering Control
SEPS_
|
— |
SHAFTS System CCW
SEPS_
|
— |
SHAFTS System CW
SEPS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SEPS_a069.