CHECK DTC.

1) Turn the ignition switch to OFF.

2) Disconnect all connectors (i84, i10, i88, i85 or i50, B419) that are connected to low speed CAN communication line.

3) Connect the disconnected connectors.

4) Turn the ignition switch to ON.

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

QUESTION

Is U1321 a current malfunction?

Yes No

Replace the body integrated unit.