PEPSM_a070 — SSFA MIA
Full alert identifier: PEPSM_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 PEPSM_a070. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDHWEEL Vehicle Estimates
PEPSM_
|
— |
HANDWHEEL Feedback Control
PEPSM_
|
— |
HANDWHEEL System CW
PEPSM_
|
— |
HANDWHEEL Temperature
PEPSM_
|
— |
RACK System CCW
PEPSM_
|
— |
RACK System CW
PEPSM_
|
— |
SHAFTP System CCW
PEPSM_
|
— |
SHAFTP System CW
PEPSM_
|
— |
Show 10 more fields
| Signal | Unit |
|---|---|
SHAFTS Handwheel Status
PEPSM_
|
— |
SHAFTS System CCW
PEPSM_
|
— |
SSFAI Challenge
PEPSM_
|
— |
SSFAI Challenge Status
PEPSM_
|
— |
SSFAI Controller Startup
PEPSM_
|
— |
SSFAI Feedback Internal
PEPSM_
|
— |
SSFAI Handwheel Calibration
PEPSM_
|
— |
SSFAI Handwheel Status
PEPSM_
|
— |
SSFAI Motor Calibration
PEPSM_
|
— |
SSFAI Vehicle Signals
PEPSM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PEPSM_a070.