DTC U0428:00 [ELECTRIC POWER STEERING (EPS)]


id0602a1818500

DTC U0428:00
Signal error to SAS control module
DETECTION CONDITION
•  Error detected in signal from SAS control module via CAN communication
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe Function Table”. (See DTC TABLE [ELECTRIC POWER STEERING (EPS)].)
POSSIBLE CAUSE
•  SAS control module malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY SAS CONTROL MODULE DTC
•  Using the M-MDS, perform the SAS control module DTC inspection.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
DTC troubleshooting completed, then go to the next step.
No
Go to the next step.
2
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Using the M-MDS, clear the DTC from the EPS control module.
•  Using the M-MDS, perform the EPS control module DTC inspection.
•  Is the same DTC present?
Yes
Replace the SAS control module.
No
DTC troubleshooting completed.