RSAM_a069 — PSFA MIA
Full alert identifier: RSAM_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 RSAM_a069. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Feedback Control
RSAM_
|
— |
HANDWHEEL Interface Version
RSAM_
|
— |
HANDWHEEL Steering Control
RSAM_
|
— |
HANDWHEEL System CCW
RSAM_
|
— |
HANDWHEEL Temperature
RSAM_
|
— |
LC Status
RSAM_
|
— |
PSFAI Challenge
RSAM_
|
— |
PSFAI Challenge Status
RSAM_
|
— |
Show 18 more fields
| Signal | Unit |
|---|---|
PSFAI Controller Startup
RSAM_
|
— |
PSFAI Feedback Internal
RSAM_
|
— |
PSFAI Feedback Internal 2
RSAM_
|
— |
PSFAI Handwheel Calibration
RSAM_
|
— |
PSFAI Motor Calibration
RSAM_
|
— |
PSFAI Return Target Internal
RSAM_
|
— |
PSFAI Steering Control Internal
RSAM_
|
— |
PSFAI Vehicle Signals
RSAM_
|
— |
RACK System CCW
RSAM_
|
— |
RACK System CW
RSAM_
|
— |
SHAFTP Rear Steer Request
RSAM_
|
— |
SHAFTP Status
RSAM_
|
— |
SHAFTP Steering Control
RSAM_
|
— |
SHAFTP System CW
RSAM_
|
— |
SHAFTS Rear Steer Request
RSAM_
|
— |
SHAFTS Steering Control
RSAM_
|
— |
SHAFTS System CCW
RSAM_
|
— |
SHAFTS System CW
RSAM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of RSAM_a069.