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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.

CAUTION: Do not clear the memory when checking the DTC.
  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. Refer 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. Refer to LAN SYSTEM (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .

    No  Replace the steering gearbox. Refer to POWER ASSISTED SYSTEM (POWER STEERING)>ELECTRIC POWER STEERING GEARBOX .