RSA_a070 — SSFA MIA
Full alert identifier: RSA_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 RSA_a070. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDHWEEL Vehicle Estimates
RSA_
|
— |
HANDWHEEL Feedback Control
RSA_
|
— |
HANDWHEEL System CW
RSA_
|
— |
HANDWHEEL Temperature
RSA_
|
— |
RACK System CCW
RSA_
|
— |
RACK System CW
RSA_
|
— |
SHAFTP System CCW
RSA_
|
— |
SHAFTP System CW
RSA_
|
— |
Show 10 more fields
| Signal | Unit |
|---|---|
SHAFTS Handwheel Status
RSA_
|
— |
SHAFTS System CCW
RSA_
|
— |
SSFAI Challenge
RSA_
|
— |
SSFAI Challenge Status
RSA_
|
— |
SSFAI Controller Startup
RSA_
|
— |
SSFAI Feedback Internal
RSA_
|
— |
SSFAI Handwheel Calibration
RSA_
|
— |
SSFAI Handwheel Status
RSA_
|
— |
SSFAI Motor Calibration
RSA_
|
— |
SSFAI Vehicle Signals
RSA_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of RSA_a070.