LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC U1217 CAN-HS EPS DATA ABNORMAL

DTC DETECTING CONDITION:

Received error data from EPS module.

TROUBLE SYMPTOM:

Electric power steering warning light illuminates.

WIRING DIAGRAM:

STEPCHECKYESNO

1.CHECK DTC.

Read all DTCs using the Subaru Select Monitor.

Is DTC U1202 displayed?

Perform the diagnosis according to DTC.

2.CHECK DTC.

Read the DTC of body integrated unit using Subaru Select Monitor.

Is U1217 a current malfunction?

3.CHECK DTC.

1) Turn the ignition switch to OFF.

2) Disconnect the power steering CM connector.

3) Connect the disconnected connectors.

4) Turn the ignition switch to ON.

5) Read the DTC of body integrated unit using Subaru Select Monitor.

Is U1217 a current malfunction?

Replace the power steering CM.

4.CHECK HARNESS.

1) Shake the harness of each part.

2) Turn the ignition switch to ON.

3) Read the DTC of body integrated unit using Subaru Select Monitor.

Is U1217 a current malfunction?

Repair or replace the harness.

5.CHECK CONNECTOR.

1) Turn the ignition switch to OFF.

2) Disconnect the connector that is connected to high speed CAN circuit.

Is there poor contact of connector?

Repair the connector, or replace harness.

Temporary poor contact occurs.