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

DTC C0044 TCM COMMUNICATION CIRCUIT

DTC DETECTING CONDITION:

No CAN signal from TCM.

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 TCM connector?

Repair the connector.

3.CHECK TCM.

Is the TCM normal?

Replace the TCM.

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.