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:
• VDC does not operate.
• EyeSight does not operate.
STEP | CHECK | YES | NO |
1.CHECK LAN SYSTEM.
Perform the diagnosis for LAN system. Basic Diagnostic Procedure">
Is there any fault in LAN system?
Perform the diagnosis according to DTC for LAN system. List of Diagnostic Trouble Code (DTC)">
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0057 ECM COMMUNICATION CIRCUIT">Go to Step 2.
2.CHECK POOR CONTACT OF CONNECTORS.
Is there poor contact of ECM connector?
Repair the connector.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0057 ECM COMMUNICATION CIRCUIT">Go to Step 3.
3.CHECK ECM.
Refer to the basic diagnostic procedure of ENGINE (DIAGNOSTICS).
Is the check result OK?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0057 ECM COMMUNICATION CIRCUIT">Go to Step 4.
Replace the ECM. Engine Control Module (ECM)">
4.CHECK VDCCM&H/U.
1) Connect all connectors.
2) Perform the Clear Memory Mode. Clear Memory Mode">
3) Perform the Inspection Mode. Inspection Mode">
4) Read the DTC. Read Diagnostic Trouble Code (DTC)">
Is the same DTC displayed?
Replace the VDCCM&H/U. VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)">
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0057 ECM COMMUNICATION CIRCUIT">Go to Step 5.
5.CHECK DETECTION OF OTHER DTCS FOR VDC.
Read Diagnostic Trouble Code (DTC)">
Is any other DTC displayed?
Perform the diagnosis according to DTC. List of Diagnostic Trouble Code (DTC)">
Currently, it is normal. There may have been a temporary poor contact in the harness and connector or a temporary noise interference.
Light control switch
CAUTION
Use of any lights for a long period
of time while the engine is not
running can cause the battery to
discharge.
Before leaving the vehicle, make
sure that the lights are turned off.
If the vehicle is left unattended
for a long time with the lights
illuminated, the batte ...
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