PSFA_a072 — PEPS MIA
Full alert identifier: PSFA_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 PSFA_a072. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL System CCW
PSFA_
|
— |
HANDWHEEL System CW
PSFA_
|
— |
LC Rear Steer Request
PSFA_
|
— |
LC Status
PSFA_
|
— |
LC System CCW
PSFA_
|
— |
PEPSI TMR Angle Sensor Calibration 1
PSFA_
|
— |
PEPSI TMR Angle Sensor Calibration 2
PSFA_
|
— |
PEPSI Challenge
PSFA_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
PEPSI Challenge Status
PSFA_
|
— |
PEPSI Controller Startup
PSFA_
|
— |
PEPSI Motor Calibration
PSFA_
|
— |
PEPSI Position Detect
PSFA_
|
— |
PEPSI Rack Calibration
PSFA_
|
— |
PEPSI Rack Data
PSFA_
|
— |
PEPSI Vehicle Signals
PSFA_
|
— |
RACK Cross Check Id
PSFA_
|
— |
RACK Mfg Status
PSFA_
|
— |
RACK Rack Calibration 2
PSFA_
|
— |
RACK Rack Control
PSFA_
|
— |
RACK Rack Control 2
PSFA_
|
— |
RACK Rack Status
PSFA_
|
— |
RACK Rack Status 2
PSFA_
|
— |
RACK System CW
PSFA_
|
— |
RACK Temperature
PSFA_
|
— |
RC System CCW
PSFA_
|
— |
REARSTEER Rear Steer Request
PSFA_
|
— |
SHAFTP Status
PSFA_
|
— |
SHAFTP System CCW
PSFA_
|
— |
SHAFTP Vehicle Estimates
PSFA_
|
— |
SHAFTS System CCW
PSFA_
|
— |
SHAFTS System CW
PSFA_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PSFA_a072.