PSFAM_a070 — SSFA MIA
Full alert identifier: PSFAM_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 PSFAM_a070. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDHWEEL Vehicle Estimates
PSFAM_
|
— |
HANDWHEEL Feedback Control
PSFAM_
|
— |
HANDWHEEL System CW
PSFAM_
|
— |
HANDWHEEL Temperature
PSFAM_
|
— |
RACK System CCW
PSFAM_
|
— |
RACK System CW
PSFAM_
|
— |
SHAFTP System CCW
PSFAM_
|
— |
SHAFTP System CW
PSFAM_
|
— |
Show 10 more fields
| Signal | Unit |
|---|---|
SHAFTS Handwheel Status
PSFAM_
|
— |
SHAFTS System CCW
PSFAM_
|
— |
SSFAI Challenge
PSFAM_
|
— |
SSFAI Challenge Status
PSFAM_
|
— |
SSFAI Controller Startup
PSFAM_
|
— |
SSFAI Feedback Internal
PSFAM_
|
— |
SSFAI Handwheel Calibration
PSFAM_
|
— |
SSFAI Handwheel Status
PSFAM_
|
— |
SSFAI Motor Calibration
PSFAM_
|
— |
SSFAI Vehicle Signals
PSFAM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PSFAM_a070.