RSA_a069 — PSFA MIA
Full alert identifier: RSA_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 RSA_a069. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Feedback Control
RSA_
|
— |
HANDWHEEL Interface Version
RSA_
|
— |
HANDWHEEL Steering Control
RSA_
|
— |
HANDWHEEL System CCW
RSA_
|
— |
HANDWHEEL Temperature
RSA_
|
— |
LC Status
RSA_
|
— |
PSFAI Challenge
RSA_
|
— |
PSFAI Challenge Status
RSA_
|
— |
Show 18 more fields
| Signal | Unit |
|---|---|
PSFAI Controller Startup
RSA_
|
— |
PSFAI Feedback Internal
RSA_
|
— |
PSFAI Feedback Internal 2
RSA_
|
— |
PSFAI Handwheel Calibration
RSA_
|
— |
PSFAI Motor Calibration
RSA_
|
— |
PSFAI Return Target Internal
RSA_
|
— |
PSFAI Steering Control Internal
RSA_
|
— |
PSFAI Vehicle Signals
RSA_
|
— |
RACK System CCW
RSA_
|
— |
RACK System CW
RSA_
|
— |
SHAFTP Rear Steer Request
RSA_
|
— |
SHAFTP Status
RSA_
|
— |
SHAFTP Steering Control
RSA_
|
— |
SHAFTP System CW
RSA_
|
— |
SHAFTS Rear Steer Request
RSA_
|
— |
SHAFTS Steering Control
RSA_
|
— |
SHAFTS System CCW
RSA_
|
— |
SHAFTS System CW
RSA_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of RSA_a069.