DTC C2548 Vehicle Dynamics Control Module System

DTC detecting condition: 

When error flag from VDCCM is detected for 2 seconds after the ignition switch is ON.

Trouble symptom: 

The steering wheel operation feels heavy.

1. CHECK DTC  .

   Read the DTC of VDC system using the Subaru Select Monitor.

   Is a DTC related to VDC system (sensors) detected?

   Yes: Perform the diagnosis according to the DTC. Ref. to VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .

   No: Go to  2.

2. CHECK DTC  .

   Using the Subaru Select Monitor, read all DTCs.

   Is a DTC related to CAN communication detected?

   Yes: Perform the diagnosis according to the DTC. Ref. to LAN SYSTEM (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .

   No: Replace the steering gearbox. Ref. to POWER ASSISTED SYSTEM (POWER STEERING)>Electric Power Steering Gearbox .