PEPSM_a072 — PEPS MIA
Full alert identifier: PEPSM_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 PEPSM_a072. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HANDWHEEL System CCW
PEPSM_
|
— |
HANDWHEEL System CW
PEPSM_
|
— |
LC Rear Steer Request
PEPSM_
|
— |
LC Status
PEPSM_
|
— |
LC System CCW
PEPSM_
|
— |
PEPSI TMR Angle Sensor Calibration 1
PEPSM_
|
— |
PEPSI TMR Angle Sensor Calibration 2
PEPSM_
|
— |
PEPSI Challenge
PEPSM_
|
— |
Show 23 more fields
| Signal | Unit |
|---|---|
PEPSI Challenge Status
PEPSM_
|
— |
PEPSI Controller Startup
PEPSM_
|
— |
PEPSI Motor Calibration
PEPSM_
|
— |
PEPSI Position Detect
PEPSM_
|
— |
PEPSI Rack Calibration
PEPSM_
|
— |
PEPSI Rack Data
PEPSM_
|
— |
PEPSI Vehicle Signals
PEPSM_
|
— |
RACK Cross Check Id
PEPSM_
|
— |
RACK Mfg Status
PEPSM_
|
— |
RACK Rack Calibration 2
PEPSM_
|
— |
RACK Rack Control
PEPSM_
|
— |
RACK Rack Control 2
PEPSM_
|
— |
RACK Rack Status
PEPSM_
|
— |
RACK Rack Status 2
PEPSM_
|
— |
RACK System CW
PEPSM_
|
— |
RACK Temperature
PEPSM_
|
— |
RC System CCW
PEPSM_
|
— |
REARSTEER Rear Steer Request
PEPSM_
|
— |
SHAFTP Status
PEPSM_
|
— |
SHAFTP System CCW
PEPSM_
|
— |
SHAFTP Vehicle Estimates
PEPSM_
|
— |
SHAFTS System CCW
PEPSM_
|
— |
SHAFTS System CW
PEPSM_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PEPSM_a072.