PSFA_a070 — SSFA MIA
Full alert identifier: PSFA_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 PSFA_a070. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDHWEEL Vehicle Estimates
PSFA_
|
— |
HANDWHEEL Feedback Control
PSFA_
|
— |
HANDWHEEL System CW
PSFA_
|
— |
HANDWHEEL Temperature
PSFA_
|
— |
RACK System CCW
PSFA_
|
— |
RACK System CW
PSFA_
|
— |
SHAFTP System CCW
PSFA_
|
— |
SHAFTP System CW
PSFA_
|
— |
Show 10 more fields
| Signal | Unit |
|---|---|
SHAFTS Handwheel Status
PSFA_
|
— |
SHAFTS System CCW
PSFA_
|
— |
SSFAI Challenge
PSFA_
|
— |
SSFAI Challenge Status
PSFA_
|
— |
SSFAI Controller Startup
PSFA_
|
— |
SSFAI Feedback Internal
PSFA_
|
— |
SSFAI Handwheel Calibration
PSFA_
|
— |
SSFAI Handwheel Status
PSFA_
|
— |
SSFAI Motor Calibration
PSFA_
|
— |
SSFAI Vehicle Signals
PSFA_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PSFA_a070.