SEPSM_a070 — SSFA MIA
Full alert identifier: SEPSM_a070_SSFA_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the Secondary Steering Feedback Actuator (SSFA) electronic control unit (ECU) is not received, indicating the SSFA 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 SSFA ECU is not received.
Clear condition
The vehicle controller starts receiving the expected messages from the SSFA ECU.
Signals to check
These diagnostic fields are associated with SEPSM_a070. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDHWEEL Vehicle Estimates
SEPSM_
|
— |
HANDWHEEL Feedback Control
SEPSM_
|
— |
HANDWHEEL System CW
SEPSM_
|
— |
HANDWHEEL Temperature
SEPSM_
|
— |
RACK System CCW
SEPSM_
|
— |
RACK System CW
SEPSM_
|
— |
SHAFTP System CCW
SEPSM_
|
— |
SHAFTP System CW
SEPSM_
|
— |
Show 10 more fields
| Signal | Unit |
|---|---|
SHAFTS Handwheel Status
SEPSM_
|
— |
SHAFTS System CCW
SEPSM_
|
— |
SSFAI Challenge
SEPSM_
|
— |
SSFAI Challenge Status
SEPSM_
|
— |
SSFAI Controller Startup
SEPSM_
|
— |
SSFAI Feedback Internal
SEPSM_
|
— |
SSFAI Handwheel Calibration
SEPSM_
|
— |
SSFAI Handwheel Status
SEPSM_
|
— |
SSFAI Motor Calibration
SEPSM_
|
— |
SSFAI Vehicle Signals
SEPSM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SEPSM_a070.