DTC U0428 Invalid Data Received From Steering Angle Sensor Module
DTC DETECTING CONDITION:
Defective data was transmitted from steering angle sensor.
TROUBLE SYMPTOM:
VDC Control Module does not operate normally.
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK CAN COMMUNICATION HARNESS. Perform the basic diagnostic procedure to check for fault in CAN communication harness. <Ref. to BASIC DIAGNOSTIC PROCEDURE .> |
Was the basic diagnostic procedure performed up to step 7? | Go to step 2 . | Perform the basic diagnostic procedure. <Ref. to BASIC DIAGNOSTIC PROCEDURE .> |
| 2 CHECK DTC (OTHER THAN U-CODE). Check the displayed DTC. |
Are DTCs other than U*** displayed? | Perform the diagnosis for DTCs other than the displayed U-code. | Go to step 3 . |
| 3 CHECK DTC (U-CODE). Check the displayed DTC. |
Is DTC for the bus off or the data no-receive displayed? | Perform the diagnosis for DTCs for the displayed bus off or the data no-receive. | Go to step 4 . |
| 4 CHECK DTC (CURRENT MALFUNCTION). Check the displayed DTC. |
Is U0428 a current malfunction? | Go to step 5 . | Go to step 7 . |
5 CHECK DTC (CURRENT MALFUNCTION).
|
Is U0428 a current malfunction? | Go to step 6 . | Go to step 7 . |
| 6 CHECK DTC. Using the Subaru Select Monitor, read DTC of all the systems. <Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) .> |
Is the steering angle sensor data abnormal detected in several modules? | Replace the steering angle sensor. <Ref. to Steering Angle Sensor .> | Replace the module that the DTC has been detected. |
7 CHECK HARNESS.
|
Is U0428 a current malfunction? | Repair the poor contact of harness, or replace the harness. | Go to step 8 . |
| 8 CHECK CONNECTOR. Check the connector used for high speed CAN for poor contact. |
Is there poor contact of connector? | Repair the connector that has poor contact, or replace harness. | It is possible that temporary poor communication occurs. Delete the DTC. |