SSFA_a072 — PEPS MIA
Full alert identifier: SSFA_a072_PEPS_MIA
Alert description
One or more of the messages the vehicle controller receives periodically from the Primary Electric Power Steering (PEPS) electronic control unit (ECU) is not received, indicating the PEPS ECU may be unavailable (MIA).
Potential impact
Power steering may be limited or unavailable.
Set condition
One or more of the expected messages from the PEPS ECU is not received.
Clear condition
The vehicle controller starts receiving the expected messages from the PEPS ECU.
Signals to check
These diagnostic fields are associated with SSFA_a072. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL System CCW
SSFA_
|
— |
HANDWHEEL System CW
SSFA_
|
— |
LC Rear Steer Request
SSFA_
|
— |
LC Status
SSFA_
|
— |
LC System CCW
SSFA_
|
— |
PEPSI TMR Angle Sensor Calibration 1
SSFA_
|
— |
PEPSI TMR Angle Sensor Calibration 2
SSFA_
|
— |
PEPSI Challenge
SSFA_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
PEPSI Challenge Status
SSFA_
|
— |
PEPSI Controller Startup
SSFA_
|
— |
PEPSI Motor Calibration
SSFA_
|
— |
PEPSI Position Detect
SSFA_
|
— |
PEPSI Rack Calibration
SSFA_
|
— |
PEPSI Rack Data
SSFA_
|
— |
PEPSI Vehicle Signals
SSFA_
|
— |
RACK Cross Check Id
SSFA_
|
— |
RACK Mfg Status
SSFA_
|
— |
RACK Rack Calibration 2
SSFA_
|
— |
RACK Rack Control
SSFA_
|
— |
RACK Rack Control 2
SSFA_
|
— |
RACK Rack Status
SSFA_
|
— |
RACK Rack Status 2
SSFA_
|
— |
RACK System CW
SSFA_
|
— |
RACK Temperature
SSFA_
|
— |
RC System CCW
SSFA_
|
— |
REARSTEER Rear Steer Request
SSFA_
|
— |
SHAFTP Status
SSFA_
|
— |
SHAFTP System CCW
SSFA_
|
— |
SHAFTP Vehicle Estimates
SSFA_
|
— |
SHAFTS System CCW
SSFA_
|
— |
SHAFTS System CW
SSFA_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SSFA_a072.