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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC C2548 Vehicle Dynamics Control Module System
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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.

Step Check Yes No
1 CHECK DTC. 
Read the DTC of VDC system using the Subaru Select Monitor.
Is a DTC related to VDC system (sensors) detected? Perform the diagnosis according to the DTC. <Ref. to List of Diagnostic Trouble Code (DTC) .> Go to step .
2 CHECK DTC. 
Using the Subaru Select Monitor, read all DTCs.
Is a DTC related to CAN communication detected? Perform the diagnosis according to the DTC. <Ref. to List of Diagnostic Trouble Code (DTC) .> Replace the power steering control module. <Ref. to Power Steering Control Module .>