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

DTC C0057 ECM COMMUNICATION CIRCUIT

DTC DETECTING CONDITION:

No CAN signal from ECM.

TROUBLE SYMPTOM:

• ABS does not operate.

• VDC does not operate.

STEPCHECKYESNO

1.CHECK LAN SYSTEM.

Perform the diagnosis for LAN system.

Is there any fault in LAN system?

Perform the diagnosis according to DTC for LAN system.

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) Clear the memory.

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.