VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC C0057 ECM CONTROL SYSTEM

DTC DETECTING CONDITION:

Cooperation control prohibition of ECM

TROUBLE SYMPTOM:

• ABS does not operate.

• VDC does not operate.

NOTE:

Warning lights go off if the cooperation control of ECM returns.

STEPCHECKYESNO

1.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?

VDC is normal. Perform the Clear Memory Mode.

NOTE:

DTC may be recorded if cranking is performed during driving.

2.CHECK POOR CONTACT OF CONNECTORS.

Is there poor contact of ECM connector?

Repair the connector.

3.CHECK ECM.

Is ECM normal?

Replace the ECM.

4.CHECK VDCCM&H/U.

1) Connect all connectors.

2) Perform the Clear Memory Mode.

3) Perform the Inspection Mode.

4) Read the DTC.

Is the same DTC displayed?

Replace the VDCCM only.

5.CHECK OTHER DTC DETECTION.

Is any other DTC displayed?

Perform the diagnosis according to DTC.

It results from a temporary noise interference.