DTC C0057 ECM Control System: Trouble Symptom

Step	Check	Yes	No
1 CHECK COOPERATION CONTROL FEASIBILITY OF ECM USING SUBARU SELECT MONITOR. Start the engine, and run the engine at idle approximately 5 minutes. Connect Subaru Select Monitor, and select {Current Data Display & Save}. Check the << E/G Control Stop Flag >> displayed on screen.	Is the << E/G Control Stop Flag >> "1"?	Go to step 4 .	Go to step 2 .
2 CHECK WARNING LIGHT. Check whether the VDC warning light illuminates after driving for 1 minute or more at a speed of 10 km/h or more.	Does the VDC warning light illuminate?	Go to step 3 .	VDC is normal. Perform the Clear Memory Mode. NOTE: DTC may be recorded if cranking is performed during driving.
3 CHECK POOR CONTACT OF CONNECTORS.	Is there poor contact of ECM connector?	Repair the connector.	Go to step 4 .
4 CHECK ECM.	Is ECM normal?	Go to step 5 .	Replace the ECM. Refer to ENGINE CONTROL MODULE (ECM) . Refer to ENGINE CONTROL MODULE (ECM) . Refer to ENGINE CONTROL MODULE (ECM) .
5 CHECK VDCCM & H/U. Connect all connectors. Clear the memory. Refer to , CLEAR MEMORY MODE . Perform the Inspection Mode. Refer to , INSPECTION MODE . Read the DTC.	Is the same DTC displayed?	Replace the VDCCM & H/U. Refer to VDC CONTROL MODULE & HYDRAULIC CONTROL UNIT (VDCCM & H/U) .	Go to step 6 .
6 CHECK OTHER DTC DETECTION.	Is any other DTC displayed?	Perform the diagnosis according to DTC. Refer to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .	It results from a temporary noise interference.