VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC C0041 ECM
DTC detecting condition:
Defective VDCCM&H/U
Trouble symptom:
• ABS does not operate.
• EBD does not operate.
• VDC does not operate.
• EyeSight does not operate.
Wiring diagram:
Vehicle dynamics control system Vehicle Dynamics Control System > WIRING DIAGRAM">
STEP | CHECK | YES | NO |
1.CHECK VDCCM&H/U GROUND CIRCUIT (CHECK FOR OPEN CIRCUIT).
1) Turn the ignition switch to OFF.
2) Disconnect the connector from the VDCCM&H/U.
3) Measure the resistance between VDCCM&H/U and chassis ground.
Connector & terminal
(B310) No. 26 — Chassis ground:
Is the resistance less than 10 ??
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0041 ECM">Go to Step 2.
Repair the VDCCM&H/U ground harness.
2.CHECK POOR CONTACT OF CONNECTORS.
Is there poor contact of the connector between the battery, ignition switch and VDCCM&H/U?
Repair the connector.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0041 ECM">Go to Step 3.
3.CHECK CAUSE OF SIGNAL NOISE.
Are the radio wave devices and electronic components installed correctly?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0041 ECM">Go to Step 4.
Install the radio wave devices and electronic components properly.
4.CHECK CAUSE OF SIGNAL NOISE.
Is there a noise source (such as an antenna) installed near the sensor harness and VDCCM?
Install the noise sources apart from sensor harness and VDCCM.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0041 ECM">Go to Step 5.
5.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 C0041 ECM">Go to Step 6.
6.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.
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