PSFAM_a072 — PEPS MIA
Full alert identifier: PSFAM_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 PSFAM_a072. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL System CCW
PSFAM_
|
— |
HANDWHEEL System CW
PSFAM_
|
— |
LC Rear Steer Request
PSFAM_
|
— |
LC Status
PSFAM_
|
— |
LC System CCW
PSFAM_
|
— |
PEPSI TMR Angle Sensor Calibration 1
PSFAM_
|
— |
PEPSI TMR Angle Sensor Calibration 2
PSFAM_
|
— |
PEPSI Challenge
PSFAM_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
PEPSI Challenge Status
PSFAM_
|
— |
PEPSI Controller Startup
PSFAM_
|
— |
PEPSI Motor Calibration
PSFAM_
|
— |
PEPSI Position Detect
PSFAM_
|
— |
PEPSI Rack Calibration
PSFAM_
|
— |
PEPSI Rack Data
PSFAM_
|
— |
PEPSI Vehicle Signals
PSFAM_
|
— |
RACK Cross Check Id
PSFAM_
|
— |
RACK Mfg Status
PSFAM_
|
— |
RACK Rack Calibration 2
PSFAM_
|
— |
RACK Rack Control
PSFAM_
|
— |
RACK Rack Control 2
PSFAM_
|
— |
RACK Rack Status
PSFAM_
|
— |
RACK Rack Status 2
PSFAM_
|
— |
RACK System CW
PSFAM_
|
— |
RACK Temperature
PSFAM_
|
— |
RC System CCW
PSFAM_
|
— |
REARSTEER Rear Steer Request
PSFAM_
|
— |
SHAFTP Status
PSFAM_
|
— |
SHAFTP System CCW
PSFAM_
|
— |
SHAFTP Vehicle Estimates
PSFAM_
|
— |
SHAFTS System CCW
PSFAM_
|
— |
SHAFTS System CW
PSFAM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PSFAM_a072.