PEPS_a069 — PSFA MIA
Full alert identifier: PEPS_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 PEPS_a069. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL Feedback Control
PEPS_
|
— |
HANDWHEEL Interface Version
PEPS_
|
— |
HANDWHEEL Steering Control
PEPS_
|
— |
HANDWHEEL System CCW
PEPS_
|
— |
HANDWHEEL Temperature
PEPS_
|
— |
LC Status
PEPS_
|
— |
PSFAI Challenge
PEPS_
|
— |
PSFAI Challenge Status
PEPS_
|
— |
Show 18 more fields
| Signal | Unit |
|---|---|
PSFAI Controller Startup
PEPS_
|
— |
PSFAI Feedback Internal
PEPS_
|
— |
PSFAI Feedback Internal 2
PEPS_
|
— |
PSFAI Handwheel Calibration
PEPS_
|
— |
PSFAI Motor Calibration
PEPS_
|
— |
PSFAI Return Target Internal
PEPS_
|
— |
PSFAI Steering Control Internal
PEPS_
|
— |
PSFAI Vehicle Signals
PEPS_
|
— |
RACK System CCW
PEPS_
|
— |
RACK System CW
PEPS_
|
— |
SHAFTP Rear Steer Request
PEPS_
|
— |
SHAFTP Status
PEPS_
|
— |
SHAFTP Steering Control
PEPS_
|
— |
SHAFTP System CW
PEPS_
|
— |
SHAFTS Rear Steer Request
PEPS_
|
— |
SHAFTS Steering Control
PEPS_
|
— |
SHAFTS System CCW
PEPS_
|
— |
SHAFTS System CW
PEPS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PEPS_a069.