VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC C0047 CAN COMMUNICATION
DTC DETECTING CONDITION:
CAN communication line circuit is open or shorted.
TROUBLE SYMPTOM:
• ABS does not operate.
• 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 C0047 CAN COMMUNICATION">Go to Step 2.
2.CHECK POOR CONTACT OF CONNECTORS.
Is there poor contact of VDCCM&H/U connector?
Repair the connector.
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0047 CAN COMMUNICATION">Go to Step 3.
3.CHECK OUTPUT OF STEERING ANGLE SENSOR WITH SUBARU SELECT MONITOR.
1) Using the Subaru Select Monitor, select “Data monitor”. Subaru Select Monitor > OPERATION">
2) Check the «Steer Angle Sensor Op».
Does «Steer Angle Sensor Op» change?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0047 CAN COMMUNICATION">Go to Step 4.
Check output of the steering angle sensor. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C0071 STEER ANGLE SENSOR OP">
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)">
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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